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Integer
examples
integer
input
1
result
1
integer
input
1000000000000000
result
1000000000000000
large integer
input
1e100
result
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
instance functions
%
examples
modulus
input
12 % 10
result
2
modulus with negative number and float
input
-1 % 10.1
result
9.1
&
examples
bitwise and operation
input
1 & 0
result
0
bitwise and operation
input
1 & 1
result
1
type conversion in bitwise operation
input
2 & 1.1
result
0
*
examples
ten times five
input
10 * 5
result
50
two times three point one
input
2 * 3.1
result
6.2
two times hello
input
2 * :hello
result
"hellohello"
**
examples
power operator evaluation
input
10 ** 2
result
100
power operator floating point
input
10 ** 2.1
result
125.892541179416721042395411
+
examples
addition of numbers
input
10 + 2
result
12
addition of floating point numbers
input
10 + 2.1
result
12.1
addition with symbol
input
10 + :a
result
"10a"
addition with list
input
10 + [1, 2, 3]
result
"10[1, 2, 3]"
-
examples
subtraction example
input
10 - 2
result
8
subtraction example with decimal
input
10 - 2.1
result
7.9
/
examples
division operation
input
10 / 2
result
5.0
division operation with decimal
input
10 / 2.1
result
4.7619047619047619047619047619048
<
examples
less than
input
10 < 2
result
false
less than evaluation
input
10 < 2.1
result
false
<<
examples
bitwise left shift integer
input
10 << 2
result
40
bitwise left shift float
input
10 << 2.1
result
40
<=
examples
less than or equal to
input
10 <= 2
result
false
less than or equal to
input
10 <= 2.1
result
false
<=>
examples
less than equal and greater than comparison
input
10 <=> 2
result
1
formatted comparison
input
10 <=> 2.1
result
1
>
examples
greater than
input
10 > 2
result
true
greater than
input
10 > 2.1
result
true
>=
examples
greater than or equal to 10 2
input
10 >= 2
result
true
greater than or equal 10 2 1
input
10 >= 2.1
result
true
>>
examples
bitwise right shift
input
10 >> 2
result
2
bitwise right shift with decimal
input
10 >> 2.1
result
2
^
examples
caret as bitwise xor
input
10 ^ 2
result
8
caret as bitwise xor
input
10 ^ 2.1
result
8
abs
examples
abs function usage
input
-10.abs
result
10.0
abs function usage
input
5.abs
result
5.0
bitwise_and
examples
bitwise and
input
10.bitwise_and(2)
result
2
bitwise and float
input
10.bitwise_and(2.1)
result
2
bitwise_or
examples
bitwise operations
input
10.bitwise_or(2)
result
10
float operand error
input
10.bitwise_or(2.1)
result
10
bitwise_xor
examples
bitwise xor
input
10.bitwise_xor(2)
result
8
bitwise xor float input error
input
10.bitwise_xor(2.1)
result
8
ceil
examples
ceil no argument
input
123.ceil
result
123
ceil negative two
input
123.ceil(-2)
result
200
ceil negative one
input
123.ceil(-1)
result
130
ceil zero
input
123.ceil(0)
result
123
ceil positive one
input
123.ceil(1)
result
123
ceil positive two
input
123.ceil(2)
result
123
compare
examples
integer compare result one
input
10.compare(2)
result
1
integer compare result one
input
10.compare(2.1)
result
1
day
examples
duration example two days negative
input
-2.day
result
-172800
duration example one day negative
input
-1.day
result
-86400
duration example zero day
input
0.day
result
0
duration example one day positive
input
1.day
result
86400
duration example two days positive
input
2.day
result
172800
days
examples
negative two days
input
-2.days
result
-172800
negative one day
input
-1.days
result
-86400
zero days
input
0.days
result
0
one day
input
1.days
result
86400
two days
input
2.days
result
172800
decrement
examples
one decrement
input
1.decrement
result
0
ten decrement
input
10.decrement
result
9
ten decrement two
input
10.decrement(2)
result
8
decrement!
examples
decrement
input
i = 1 i.decrement! i
result
0
error input i = 10 i.decrement! i output result 9
input
i = 10 i.decrement! i
result
9
decrement bang multiple
input
i = 10 i.decrement!(2) i
result
8
division
examples
ten division two five point zero
input
10.division(2)
result
5.0
ten division two point one
input
10.division(2.1)
result
4.7619047619047619047619047619048
eight?
examples
eight true
input
8.eight?
result
true
eight false
input
11.eight?
result
false
even?
examples
is even
input
8.even?
result
true
is even
input
11.even?
result
false
five?
examples
five predicate
input
5.five?
result
true
five predicate
input
11.five?
result
false
floor
examples
example 123 floor with result 123
input
123.floor
result
123
example 123 floor with result 100
input
123.floor(-2)
result
100
example 123 floor result 120
input
123.floor(-1)
result
120
example 123 floor result 123
input
123.floor(0)
result
123
example 123 floor with 1
input
123.floor(1)
result
123
example 123 floor with 2
input
123.floor(2)
result
123
four?
examples
four question mark
input
4.four?
result
true
eleven four question mark
input
11.four?
result
false
hour
examples
negative two hour to seconds
input
-2.hour
result
-7200
negative one hour to seconds
input
-1.hour
result
-3600
zero hour to seconds
input
0.hour
result
0
one hour to seconds
input
1.hour
result
3600
two hour to seconds
input
2.hour
result
7200
hours
examples
negative hours input yields negative seconds
input
-2.hours
result
-7200
negative hours yields negative seconds
input
-1.hours
result
-3600
zero hours yields zero seconds
input
0.hours
result
0
one hour yields seconds
input
1.hours
result
3600
two hours yields seconds
input
2.hours
result
7200
increment
examples
increment function examples evaluated results
input
1.increment
result
2
increment function result 11
input
10.increment
result
11
increment function evaluated result
input
10.increment(2)
result
12
increment!
examples
increment operator usage
input
i = 1 i.increment! i
result
2
increment by one
input
i = 10 i.increment! i
result
11
increment by two
input
i = 10 i.increment!(2) i
result
12
inferior
examples
comparison operation example
input
10.inferior(2)
result
false
error input output result
input
10.inferior(2.1)
result
false
inferior_or_equal
examples
inferior or equal
input
10.inferior_or_equal(2)
result
false
inferior or equal
input
10.inferior_or_equal(2.1)
result
false
left_shift
examples
shift left by
input
10.left_shift(2)
result
40
shift left by
input
10.left_shift(2.1)
result
40
minus
examples
ten minus two
input
10.minus(2)
result
8
ten minus two point one
input
10.minus(2.1)
result
7.9
modulo
examples
modulo operation result
input
10.modulo(2)
result
0
modulo operation with float
input
10.modulo(2.1)
result
1.6
multiplication
examples
10 multiplication 5
input
10.multiplication(5)
result
50
2 multiplication 3.1
input
2.multiplication(3.1)
result
6.2
2 multiplication hello
input
2.multiplication(:hello)
result
"hellohello"
nine?
examples
checking if nine present
input
9.nine?
result
true
eleven without nine
input
11.nine?
result
false
odd?
examples
number odd check
input
11.odd?
result
true
number odd check
input
8.odd?
result
false
one?
examples
one query
input
1.one?
result
true
eleven one query
input
11.one?
result
false
plus
examples
ten plus two
input
10.plus(2)
result
12
ten plus two one
input
10.plus(2.1)
result
12.1
ten plus colon a
input
10.plus(:a)
result
"10a"
ten plus array one two three
input
10.plus([1, 2, 3])
result
"10[1, 2, 3]"
power
examples
integer power
input
10.power(2)
result
100
floating point power
input
10.power(2.1)
result
125.892541179416721042395411
right_shift
examples
right shift operation
input
10.right_shift(2)
result
2
error right shift float
input
10.right_shift(2.1)
result
2
round
examples
round without arguments
input
123.round
result
123
round down to nearest hundred
input
123.round(-2)
result
100
round to nearest ten
input
123.round(-1)
result
120
round to whole number
input
123.round(0)
result
123
round to 1 decimal
input
123.round(1)
result
123
round to 2 decimals
input
123.round(2)
result
123
seven?
examples
seven test case one
input
7.seven?
result
true
eleven test case two
input
11.seven?
result
false
six?
examples
six true example
input
6.six?
result
true
eleven six false
input
11.six?
result
false
sqrt
examples
two dot sqrt
input
2.sqrt
result
1.4142135623730951
four dot sqrt
input
4.sqrt
result
2.0
sixteen dot sqrt
input
16.sqrt
result
4.0
one hundred dot sqrt
input
100.sqrt
result
10.0
superior
examples
superior method
input
10.superior(2)
result
true
superior method
input
10.superior(2.1)
result
true
superior_or_equal
examples
superior or equal
input
10.superior_or_equal(2)
result
true
superior or equal
input
10.superior_or_equal(2.1)
result
true
ten?
examples
is ten
input
10.ten?
result
true
is eleven ten
input
11.ten?
result
false
three?
examples
find numbers ending with .3
input
3.three?
result
true
find numbers ending with .3
input
11.three?
result
false
times
examples
puts hello x times
input
2.times { puts(:hello) }
output
hello hello
result
2
puts number x times
input
2.times { |i| puts(i) }
output
0 1
result
2
puts number and self x times
input
2.times { |i, self| puts(i, self) }
output
0 2 1 2
result
2
truncate
examples
truncate method example
input
123.truncate
result
123
truncate method example
input
123.truncate(-2)
result
100
truncate method negative one example
input
123.truncate(-1)
result
120
truncate zero example
input
123.truncate(0)
result
123
truncate one example
input
123.truncate(1)
result
123
truncate two example
input
123.truncate(2)
result
123
two?
examples
two evaluation
input
2.two?
result
true
two evaluation eleven
input
11.two?
result
false
unary_minus
examples
superior or equal
input
10.superior_or_equal(2)
result
true
superior or equal
input
10.superior_or_equal(2.1)
result
true
zero?
examples
zero true
input
0.zero?
result
true
eleven is zero
input
11.zero?
result
false
|
examples
bitwise or operation
input
10 | 5
result
15
bitwise or with float result
input
2 | 3.1
result
3
×
examples
multiply integers
input
10 × 5
result
50
multiply integer and float
input
2 × 3.1
result
6.2
multiply integer and symbol
input
2 × :hello
result
"hellohello"
÷
examples
ten divided by five
input
10 ÷ 5
result
2.0
two divided by three point one
input
2 ÷ 3.1
result
0.64516129032258064516129032258065
many?
examples
many query with negative two as input resulting in false
input
-2.many?
result
false
many query with negative one as input resulting in false
input
-1.many?
result
false
many query with zero as input resulting in false
input
0.many?
result
false
many query with one as input resulting in false
input
1.many?
result
false
many query with two as input resulting in true
input
2.many?
result
true
positive?
examples
negative number check
input
-2.positive?
result
false
negative number check
input
-1.positive?
result
false
zero is not positive
input
0.positive?
result
false
positive number check
input
1.positive?
result
true
positive number check
input
2.positive?
result
true
negative?
examples
negative check
input
-2.negative?
result
true
check negative number
input
-1.negative?
result
true
zero negative check
input
0.negative?
result
false
check one negative
input
1.negative?
result
false
check two negative
input
2.negative?
result
false
zero?
examples
negative two zero
input
-2.zero?
result
false
negative one zero
input
-1.zero?
result
false
zero
input
0.zero?
result
true
positive one zero
input
1.zero?
result
false
positive two zero
input
2.zero?
result
false
zero check
input
0.zero?
result
true
one?
examples
negative number not one
input
-2.one?
result
false
negative one check
input
-1.one?
result
false
zero one check
input
0.one?
result
false
one check true
input
1.one?
result
true
two one check
input
2.one?
result
false
one check true
input
1.one?
result
true
two?
examples
negative number query
input
-2.two?
result
false
negative number query
input
-1.two?
result
false
zero two query
input
0.two?
result
false
one two query
input
1.two?
result
false
two query
input
2.two?
result
true
two query
input
2.two?
result
true
three?
examples
negative two divisible by three
input
-2.three?
result
false
negative one divisible by three
input
-1.three?
result
false
zero divisible by three
input
0.three?
result
false
one divisible by three
input
1.three?
result
false
two divisible by three
input
2.three?
result
false
three divisible by three
input
3.three?
result
true
four?
examples
is four multiple
input
-2.four?
result
false
false negative test
input
-1.four?
result
false
zero multiple of four
input
0.four?
result
false
is four multiple
input
1.four?
result
false
is four multiple
input
2.four?
result
false
is four multiple
input
4.four?
result
true
five?
examples
negative two
input
-2.five?
result
false
negative one five
input
-1.five?
result
false
zero five question
input
0.five?
result
false
one five
input
1.five?
result
false
two five
input
2.five?
result
false
five five
input
5.five?
result
true
six?
examples
check if number is six
input
-2.six?
result
false
check if number is six
input
-1.six?
result
false
check if zero is six
input
0.six?
result
false
check if one is six
input
1.six?
result
false
check if two is six
input
2.six?
result
false
check if six is six
input
6.six?
result
true
seven?
examples
negative two seven question mark false
input
-2.seven?
result
false
negative one seven question mark false
input
-1.seven?
result
false
zero seven question mark false
input
0.seven?
result
false
one seven question mark
input
1.seven?
result
false
two seven question mark false
input
2.seven?
result
false
seven question mark true
input
7.seven?
result
true
eight?
examples
negative two eight result false
input
-2.eight?
result
false
negative one eight result false
input
-1.eight?
result
false
zero eight result false
input
0.eight?
result
false
one eight result false
input
1.eight?
result
false
two eight false
input
2.eight?
result
false
eight result true
input
8.eight?
result
true
nine?
examples
negative two nine
input
-2.nine?
result
false
negative one nine
input
-1.nine?
result
false
zero nine
input
0.nine?
result
false
one nine
input
1.nine?
result
false
two nine
input
2.nine?
result
false
nine
input
9.nine?
result
true
ten?
examples
example -2.ten? output false
input
-2.ten?
result
false
example -1.ten? output false
input
-1.ten?
result
false
example 0.ten? output false
input
0.ten?
result
false
example 1 ten output false
input
1.ten?
result
false
example 2 ten output false
input
2.ten?
result
false
example 10 ten output true
input
10.ten?
result
true
eleven?
examples
check eleven
input
-2.eleven?
result
false
check eleven
input
-1.eleven?
result
false
check eleven
input
0.eleven?
result
false
check eleven
input
1.eleven?
result
false
check eleven
input
2.eleven?
result
false
eleven check
input
11.eleven?
result
true
twelve?
examples
negative two check
input
-2.twelve?
result
false
negative one check
input
-1.twelve?
result
false
zero twelve check
input
0.twelve?
result
false
one twelve check
input
1.twelve?
result
false
two twelve check
input
2.twelve?
result
false
twelve question
input
12.twelve?
result
true
thirteen?
examples
negative two not thirteen
input
-2.thirteen?
result
false
negative one not thirteen
input
-1.thirteen?
result
false
zero not thirteen
input
0.thirteen?
result
false
one not thirteen
input
1.thirteen?
result
false
two not thirteen
input
2.thirteen?
result
false
thirteen check
input
13.thirteen?
result
true
fourteen?
examples
negative two result false
input
-2.fourteen?
result
false
negative one result false
input
-1.fourteen?
result
false
zero result false
input
0.fourteen?
result
false
one result false
input
1.fourteen?
result
false
two result false
input
2.fourteen?
result
false
fourteen true
input
14.fourteen?
result
true
fifteen?
examples
negative two
input
-2.fifteen?
result
false
negative one
input
-1.fifteen?
result
false
zero fifteen
input
0.fifteen?
result
false
one fifteen
input
1.fifteen?
result
false
two fifteen
input
2.fifteen?
result
false
fifteen true
input
15.fifteen?
result
true
sixteen?
examples
negative test example
input
-2.sixteen?
result
false
negative test example
input
-1.sixteen?
result
false
zero sixteen check
input
0.sixteen?
result
false
one sixteen check
input
1.sixteen?
result
false
two sixteen check
input
2.sixteen?
result
false
sixteen check example
input
16.sixteen?
result
true
seventeen?
examples
negative two check seventeen
input
-2.seventeen?
result
false
negative one check seventeen
input
-1.seventeen?
result
false
zero check seventeen
input
0.seventeen?
result
false
one check seventeen
input
1.seventeen?
result
false
two check seventeen
input
2.seventeen?
result
false
seventeen check
input
17.seventeen?
result
true
eighteen?
examples
is eighteen check
input
-2.eighteen?
result
false
is eighteen check
input
-1.eighteen?
result
false
eighteen check
input
0.eighteen?
result
false
is eighteen check
input
1.eighteen?
result
false
is eighteen check
input
2.eighteen?
result
false
eighteen check
input
18.eighteen?
result
true
nineteen?
examples
negative integer false
input
-2.nineteen?
result
false
negative integer false
input
-1.nineteen?
result
false
zero_nineteen
input
0.nineteen?
result
false
positive integer false
input
1.nineteen?
result
false
positive integer false
input
2.nineteen?
result
false
nineteen example true
input
19.nineteen?
result
true
twenty?
examples
negative two space twenty question
input
-2.twenty?
result
false
negative one space twenty question
input
-1.twenty?
result
false
zero space twenty question
input
0.twenty?
result
false
one space twenty question
input
1.twenty?
result
false
two space twenty question
input
2.twenty?
result
false
twenty space twenty question
input
20.twenty?
result
true
twenty_one?
examples
invalid number
input
-2.twenty_one?
result
false
negative number check
input
-1.twenty_one?
result
false
zero check
input
0.twenty_one?
result
false
one check
input
1.twenty_one?
result
false
check twenty one
input
2.twenty_one?
result
false
check twenty one
input
21.twenty_one?
result
true
twenty_two?
examples
is twenty two
input
-2.twenty_two?
result
false
is negative is twenty two
input
-1.twenty_two?
result
false
is zero twenty two
input
0.twenty_two?
result
false
is one twenty two
input
1.twenty_two?
result
false
is two twenty two
input
2.twenty_two?
result
false
is twenty two
input
22.twenty_two?
result
true
twenty_three?
examples
twenty three check
input
-2.twenty_three?
result
false
twenty three check
input
-1.twenty_three?
result
false
check for twenty three
input
0.twenty_three?
result
false
one twenty three check
input
1.twenty_three?
result
false
evaluate twenty three check
input
2.twenty_three?
result
false
twenty three
input
23.twenty_three?
result
true
twenty_four?
examples
negative two test returns false
input
-2.twenty_four?
result
false
negative one test returns false
input
-1.twenty_four?
result
false
zero test returns false
input
0.twenty_four?
result
false
one test returns false
input
1.twenty_four?
result
false
two test returns false
input
2.twenty_four?
result
false
twenty four test returns true
input
24.twenty_four?
result
true
twenty_five?
examples
is twenty five
input
-2.twenty_five?
result
false
is twenty five check negative
input
-1.twenty_five?
result
false
check if number is twenty five
input
0.twenty_five?
result
false
check if twenty five
input
1.twenty_five?
result
false
is twenty five
input
2.twenty_five?
result
false
check if twenty five
input
25.twenty_five?
result
true
twenty_six?
examples
negative two twenty six question false
input
-2.twenty_six?
result
false
negative one twenty six question false
input
-1.twenty_six?
result
false
zero twenty six question false
input
0.twenty_six?
result
false
one twenty six question false
input
1.twenty_six?
result
false
two twenty six question false
input
2.twenty_six?
result
false
twenty six question true
input
26.twenty_six?
result
true
twenty_seven?
examples
twenty seven query
input
-2.twenty_seven?
result
false
twenty seven check
input
-1.twenty_seven?
result
false
zero twenty seven query
input
0.twenty_seven?
result
false
one twenty seven question
input
1.twenty_seven?
result
false
two twenty seven call
input
2.twenty_seven?
result
false
twenty seven match
input
27.twenty_seven?
result
true
twenty_eight?
examples
minus two
input
-2.twenty_eight?
result
false
minus one
input
-1.twenty_eight?
result
false
zero
input
0.twenty_eight?
result
false
one
input
1.twenty_eight?
result
false
two
input
2.twenty_eight?
result
false
twenty eight check
input
28.twenty_eight?
result
true
twenty_nine?
examples
twenty nine check -2
input
-2.twenty_nine?
result
false
is negative one twenty nine
input
-1.twenty_nine?
result
false
check zero if twenty nine
input
0.twenty_nine?
result
false
check if one is twenty nine
input
1.twenty_nine?
result
false
is two twenty nine
input
2.twenty_nine?
result
false
is twenty nine
input
29.twenty_nine?
result
true
thirty?
examples
thirty check
input
-2.thirty?
result
false
negative one thirty check
input
-1.thirty?
result
false
zero thirty check
input
0.thirty?
result
false
one thirty check
input
1.thirty?
result
false
two thirty check
input
2.thirty?
result
false
thirty check with number thirty
input
30.thirty?
result
true
thirty_one?
examples
thirty one check negative two
input
-2.thirty_one?
result
false
check if negative one is thirty one
input
-1.thirty_one?
result
false
check if zero is thirty one
input
0.thirty_one?
result
false
check if one is thirty one
input
1.thirty_one?
result
false
check if two is thirty one
input
2.thirty_one?
result
false
thirty one
input
31.thirty_one?
result
true
thirty_two?
examples
neg two thirty two question
input
-2.thirty_two?
result
false
neg one thirty two question
input
-1.thirty_two?
result
false
zero thirty two question
input
0.thirty_two?
result
false
one thirty two question
input
1.thirty_two?
result
false
two thirty two question
input
2.thirty_two?
result
false
thirty two question
input
32.thirty_two?
result
true
thirty_three?
examples
negative number method check
input
-2.thirty_three?
result
false
negative number method check
input
-1.thirty_three?
result
false
zero thirty three method check
input
0.thirty_three?
result
false
one thirty three method check
input
1.thirty_three?
result
false
two thirty three method check
input
2.thirty_three?
result
false
thirty three method check
input
33.thirty_three?
result
true
thirty_four?
examples
negative two
input
-2.thirty_four?
result
false
negative one
input
-1.thirty_four?
result
false
zero thirty four
input
0.thirty_four?
result
false
one thirty four
input
1.thirty_four?
result
false
two
input
2.thirty_four?
result
false
thirty four
input
34.thirty_four?
result
true
thirty_five?
examples
negative two thirty five question
input
-2.thirty_five?
result
false
negative one thirty five question
input
-1.thirty_five?
result
false
zero thirty five question
input
0.thirty_five?
result
false
one thirty five question
input
1.thirty_five?
result
false
two thirty five question
input
2.thirty_five?
result
false
thirty five check
input
35.thirty_five?
result
true
thirty_six?
examples
two dot thirty six
input
-2.thirty_six?
result
false
minus one thirty six
input
-1.thirty_six?
result
false
zero thirty six
input
0.thirty_six?
result
false
one thirty six
input
1.thirty_six?
result
false
two thirty six
input
2.thirty_six?
result
false
thirty six
input
36.thirty_six?
result
true
thirty_seven?
examples
negative two
input
-2.thirty_seven?
result
false
negative one
input
-1.thirty_seven?
result
false
zero thirty seven
input
0.thirty_seven?
result
false
one
input
1.thirty_seven?
result
false
two
input
2.thirty_seven?
result
false
thirty seven
input
37.thirty_seven?
result
true
thirty_eight?
examples
thirty eight false
input
-2.thirty_eight?
result
false
thirty eight false
input
-1.thirty_eight?
result
false
zero thirty eight false
input
0.thirty_eight?
result
false
thirty eight false
input
1.thirty_eight?
result
false
thirty eight false
input
2.thirty_eight?
result
false
thirty eight true
input
38.thirty_eight?
result
true
thirty_nine?
examples
negative two
input
-2.thirty_nine?
result
false
negative one
input
-1.thirty_nine?
result
false
zero thirty nine
input
0.thirty_nine?
result
false
one thirty nine
input
1.thirty_nine?
result
false
two thirty nine
input
2.thirty_nine?
result
false
thirty nine verification
input
39.thirty_nine?
result
true
forty?
examples
negative two forty check
input
-2.forty?
result
false
negative one forty check
input
-1.forty?
result
false
zero forty check
input
0.forty?
result
false
one forty check
input
1.forty?
result
false
two forty check
input
2.forty?
result
false
forty check
input
40.forty?
result
true
forty_one?
examples
forty one
input
-2.forty_one?
result
false
negative one forty one
input
-1.forty_one?
result
false
zero forty one
input
0.forty_one?
result
false
one forty one
input
1.forty_one?
result
false
two forty one
input
2.forty_one?
result
false
forty one true
input
41.forty_one?
result
true
forty_two?
examples
negative number false
input
-2.forty_two?
result
false
negative number false
input
-1.forty_two?
result
false
zero forty two
input
0.forty_two?
result
false
one forty two
input
1.forty_two?
result
false
two forty two
input
2.forty_two?
result
false
forty two
input
42.forty_two?
result
true
forty_three?
examples
forty_three
input
-2.forty_three?
result
false
negative one false
input
-1.forty_three?
result
false
zero forty three
input
0.forty_three?
result
false
one false
input
1.forty_three?
result
false
forty three
input
2.forty_three?
result
false
forty three
input
43.forty_three?
result
true
forty_four?
examples
negative two dot forty four
input
-2.forty_four?
result
false
negative one dot forty four
input
-1.forty_four?
result
false
zero dot forty four
input
0.forty_four?
result
false
one dot forty four
input
1.forty_four?
result
false
two dot forty four
input
2.forty_four?
result
false
forty four check
input
44.forty_four?
result
true
forty_five?
examples
forty five
input
-2.forty_five?
result
false
forty five
input
-1.forty_five?
result
false
forty five
input
0.forty_five?
result
false
forty five
input
1.forty_five?
result
false
forty five
input
2.forty_five?
result
false
forty five
input
45.forty_five?
result
true
forty_six?
examples
minus two
input
-2.forty_six?
result
false
minus one
input
-1.forty_six?
result
false
zero forty six
input
0.forty_six?
result
false
one forty six
input
1.forty_six?
result
false
two forty six
input
2.forty_six?
result
false
forty six
input
46.forty_six?
result
true
forty_seven?
examples
negative two forty seven check
input
-2.forty_seven?
result
false
negative one forty seven check
input
-1.forty_seven?
result
false
zero forty seven check
input
0.forty_seven?
result
false
one forty seven check
input
1.forty_seven?
result
false
two forty seven check
input
2.forty_seven?
result
false
forty seven check
input
47.forty_seven?
result
true
forty_eight?
examples
is forty eight
input
-2.forty_eight?
result
false
forty eight
input
-1.forty_eight?
result
false
forty eight check zero
input
0.forty_eight?
result
false
forty eight check one
input
1.forty_eight?
result
false
forty eight check two
input
2.forty_eight?
result
false
forty eight check forty eight
input
48.forty_eight?
result
true
forty_nine?
examples
is -2 equal to 49
input
-2.forty_nine?
result
false
is -1 equal to 49
input
-1.forty_nine?
result
false
is zero equal to forty nine
input
0.forty_nine?
result
false
is one equal to forty nine
input
1.forty_nine?
result
false
is 2 equal to 49
input
2.forty_nine?
result
false
is forty nine equal to forty nine
input
49.forty_nine?
result
true
fifty?
examples
false result for negative two input with fifty method
input
-2.fifty?
result
false
implicit false evaluation
input
-1.fifty?
result
false
zero fifty check false
input
0.fifty?
result
false
false evaluation for one point fifty
input
1.fifty?
result
false
two fifty check
input
2.fifty?
result
false
fifty checks for equality
input
50.fifty?
result
true
fifty_one?
examples
negative two
input
-2.fifty_one?
result
false
negative one fifty one
input
-1.fifty_one?
result
false
zero fifty one
input
0.fifty_one?
result
false
one fifty one
input
1.fifty_one?
result
false
two
input
2.fifty_one?
result
false
fifty one
input
51.fifty_one?
result
true
fifty_two?
examples
negative two fifty two check
input
-2.fifty_two?
result
false
negative one fifty two check
input
-1.fifty_two?
result
false
zero fifty two check
input
0.fifty_two?
result
false
one fifty two check
input
1.fifty_two?
result
false
two fifty two check
input
2.fifty_two?
result
false
fifty two check
input
52.fifty_two?
result
true
fifty_three?
examples
evaluate the method fifty_three with various numbers
input
-2.fifty_three?
result
false
fifty_three_method_evaluation
input
-1.fifty_three?
result
false
zero fifty three
input
0.fifty_three?
result
false
one fifty three method
input
1.fifty_three?
result
false
evaluate two fifty three
input
2.fifty_three?
result
false
fifty three method at fifty three
input
53.fifty_three?
result
true
fifty_four?
examples
negative two fifty four
input
-2.fifty_four?
result
false
negative one fifty four
input
-1.fifty_four?
result
false
zero_fifty_four
input
0.fifty_four?
result
false
one fifty four
input
1.fifty_four?
result
false
two fifty four
input
2.fifty_four?
result
false
fifty four
input
54.fifty_four?
result
true
fifty_five?
examples
negative two fifty five query
input
-2.fifty_five?
result
false
negative one fifty five query
input
-1.fifty_five?
result
false
zero fifty five query
input
0.fifty_five?
result
false
one fifty five query
input
1.fifty_five?
result
false
two fifty five query
input
2.fifty_five?
result
false
fifty five check
input
55.fifty_five?
result
true
fifty_six?
examples
check if fifty six
input
-2.fifty_six?
result
false
check if fifty six
input
-1.fifty_six?
result
false
check if fifty six
input
0.fifty_six?
result
false
check if fifty six
input
1.fifty_six?
result
false
check if fifty six
input
2.fifty_six?
result
false
check if fifty six
input
56.fifty_six?
result
true
fifty_seven?
examples
is equal to fifty seven
input
-2.fifty_seven?
result
false
is fifty seven
input
-1.fifty_seven?
result
false
is fifty seven
input
0.fifty_seven?
result
false
is fifty seven
input
1.fifty_seven?
result
false
is fifty seven
input
2.fifty_seven?
result
false
is fifty seven
input
57.fifty_seven?
result
true
fifty_eight?
examples
negative two fifty eight check false
input
-2.fifty_eight?
result
false
negative one fifty eight check false
input
-1.fifty_eight?
result
false
zero fifty eight check false
input
0.fifty_eight?
result
false
one fifty eight check false
input
1.fifty_eight?
result
false
two fifty eight check false
input
2.fifty_eight?
result
false
fifty eight check true
input
58.fifty_eight?
result
true
fifty_nine?
examples
negative_number_false
input
-2.fifty_nine?
result
false
negative number false
input
-1.fifty_nine?
result
false
zero fifty nine
input
0.fifty_nine?
result
false
one fifty nine false
input
1.fifty_nine?
result
false
two fifty nine false
input
2.fifty_nine?
result
false
fifty nine true
input
59.fifty_nine?
result
true
sixty?
examples
negative two sixty check
input
-2.sixty?
result
false
negative one sixty check
input
-1.sixty?
result
false
zero sixty check
input
0.sixty?
result
false
one sixty check
input
1.sixty?
result
false
two sixty check
input
2.sixty?
result
false
sixty number check
input
60.sixty?
result
true
sixty_one?
examples
sixty_one
input
-2.sixty_one?
result
false
negative one sixty one
input
-1.sixty_one?
result
false
zero sixty one
input
0.sixty_one?
result
false
one sixty one
input
1.sixty_one?
result
false
two sixty one
input
2.sixty_one?
result
false
sixty one
input
61.sixty_one?
result
true
sixty_two?
examples
negative two sixty two is false
input
-2.sixty_two?
result
false
negative one sixty two is false
input
-1.sixty_two?
result
false
zero sixty two is false
input
0.sixty_two?
result
false
one sixty two is false
input
1.sixty_two?
result
false
two sixty two is false
input
2.sixty_two?
result
false
sixty two is true
input
62.sixty_two?
result
true
sixty_three?
examples
sixty three
input
-2.sixty_three?
result
false
sixty three check
input
-1.sixty_three?
result
false
zero sixty three check
input
0.sixty_three?
result
false
sixty three check
input
1.sixty_three?
result
false
two sixty three
input
2.sixty_three?
result
false
sixty three check
input
63.sixty_three?
result
true
sixty_four?
examples
sixty four question mark
input
-2.sixty_four?
result
false
sixty four question mark
input
-1.sixty_four?
result
false
sixty four question mark
input
0.sixty_four?
result
false
sixty four question mark
input
1.sixty_four?
result
false
sixty four question mark
input
2.sixty_four?
result
false
sixty four question mark
input
64.sixty_four?
result
true
sixty_five?
examples
check if number is sixty five
input
-2.sixty_five?
result
false
check if number is sixty five
input
-1.sixty_five?
result
false
check if sixty five
input
0.sixty_five?
result
false
check if sixty five
input
1.sixty_five?
result
false
check if sixty five
input
2.sixty_five?
result
false
sixty five
input
65.sixty_five?
result
true
sixty_six?
examples
sixty six false
input
-2.sixty_six?
result
false
negative one sixty six false
input
-1.sixty_six?
result
false
zero sixty six false
input
0.sixty_six?
result
false
one sixty six false
input
1.sixty_six?
result
false
two sixty six false
input
2.sixty_six?
result
false
sixty six true
input
66.sixty_six?
result
true
sixty_seven?
examples
negative two not sixty seven
input
-2.sixty_seven?
result
false
negative one not sixty seven
input
-1.sixty_seven?
result
false
zero not sixty seven
input
0.sixty_seven?
result
false
one not sixty seven
input
1.sixty_seven?
result
false
two not sixty seven
input
2.sixty_seven?
result
false
sixty seven true
input
67.sixty_seven?
result
true
sixty_eight?
examples
negative sixty eight check
input
-2.sixty_eight?
result
false
negative one sixty eight check
input
-1.sixty_eight?
result
false
zero sixty eight check
input
0.sixty_eight?
result
false
sixty eight check input one
input
1.sixty_eight?
result
false
sixty eight check input two
input
2.sixty_eight?
result
false
sixty eight check input sixty eight
input
68.sixty_eight?
result
true
sixty_nine?
examples
sixty nine check
input
-2.sixty_nine?
result
false
minus one sixty nine check false
input
-1.sixty_nine?
result
false
zero sixty nine check false
input
0.sixty_nine?
result
false
one sixty nine check false
input
1.sixty_nine?
result
false
two sixty nine check false
input
2.sixty_nine?
result
false
sixty nine check true
input
69.sixty_nine?
result
true
seventy?
examples
negative two seventy
input
-2.seventy?
result
false
negative one seventy
input
-1.seventy?
result
false
zero seventy
input
0.seventy?
result
false
one seventy
input
1.seventy?
result
false
two seventy
input
2.seventy?
result
false
seventy seventy
input
70.seventy?
result
true
seventy_one?
examples
negative two seventy one error
input
-2.seventy_one?
result
false
negative one seventy one error
input
-1.seventy_one?
result
false
zero seventy one error
input
0.seventy_one?
result
false
one seventy one
input
1.seventy_one?
result
false
two seventy one
input
2.seventy_one?
result
false
seventy one
input
71.seventy_one?
result
true
seventy_two?
examples
negative two seventy two
input
-2.seventy_two?
result
false
negative one seventy two
input
-1.seventy_two?
result
false
zero seventy two
input
0.seventy_two?
result
false
one seventy two
input
1.seventy_two?
result
false
two seventy two
input
2.seventy_two?
result
false
seventy two
input
72.seventy_two?
result
true
seventy_three?
examples
negative two seventy three
input
-2.seventy_three?
result
false
negative one seventy three
input
-1.seventy_three?
result
false
zero seventy three
input
0.seventy_three?
result
false
one seventy three
input
1.seventy_three?
result
false
two seventy three
input
2.seventy_three?
result
false
seventy three
input
73.seventy_three?
result
true
seventy_four?
examples
negative two seventy four question
input
-2.seventy_four?
result
false
negative one seventy four question
input
-1.seventy_four?
result
false
zero seventy four question
input
0.seventy_four?
result
false
one seventy four question
input
1.seventy_four?
result
false
two seventy four question
input
2.seventy_four?
result
false
seventy four question true
input
74.seventy_four?
result
true
seventy_five?
examples
seventy five check
input
-2.seventy_five?
result
false
negative one seventy five check
input
-1.seventy_five?
result
false
zero seventy five check
input
0.seventy_five?
result
false
one seventy five check
input
1.seventy_five?
result
false
two seventy five check
input
2.seventy_five?
result
false
seventy five
input
75.seventy_five?
result
true
seventy_six?
examples
example negative two seventy six
input
-2.seventy_six?
result
false
negative one seventy six
input
-1.seventy_six?
result
false
zero seventy six
input
0.seventy_six?
result
false
one seventy six
input
1.seventy_six?
result
false
two seventy six
input
2.seventy_six?
result
false
seventy six
input
76.seventy_six?
result
true
seventy_seven?
examples
negative two seventy seven check
input
-2.seventy_seven?
result
false
negative one seventy seven check
input
-1.seventy_seven?
result
false
zero seventy seven check
input
0.seventy_seven?
result
false
one seventy seven check
input
1.seventy_seven?
result
false
two seventy seven check
input
2.seventy_seven?
result
false
seventy seven check
input
77.seventy_seven?
result
true
seventy_eight?
examples
negative two seventy eight
input
-2.seventy_eight?
result
false
negative one seventy eight
input
-1.seventy_eight?
result
false
zero seventy eight
input
0.seventy_eight?
result
false
one seventy eight
input
1.seventy_eight?
result
false
two seventy eight
input
2.seventy_eight?
result
false
seventy eight method evaluation
input
78.seventy_eight?
result
true
seventy_nine?
examples
negative two seventy nine check false
input
-2.seventy_nine?
result
false
negative one seventy nine check false
input
-1.seventy_nine?
result
false
zero seventy nine check false
input
0.seventy_nine?
result
false
one seventy nine check false
input
1.seventy_nine?
result
false
two seventy nine check false
input
2.seventy_nine?
result
false
seventy nine check true
input
79.seventy_nine?
result
true
eighty?
examples
negative two check eighty
input
-2.eighty?
result
false
negative one check
input
-1.eighty?
result
false
zero check
input
0.eighty?
result
false
one check
input
1.eighty?
result
false
two check
input
2.eighty?
result
false
eighty check
input
80.eighty?
result
true
eighty_one?
examples
eighty one false result
input
-2.eighty_one?
result
false
eighty one false
input
-1.eighty_one?
result
false
zero eighty one check false
input
0.eighty_one?
result
false
one eighty one false
input
1.eighty_one?
result
false
two eighty one false
input
2.eighty_one?
result
false
eighty one check true
input
81.eighty_one?
result
true
eighty_two?
examples
check eighty two
input
-2.eighty_two?
result
false
check eighty two
input
-1.eighty_two?
result
false
check eighty two
input
0.eighty_two?
result
false
check eighty two
input
1.eighty_two?
result
false
check eighty two
input
2.eighty_two?
result
false
eighty two true
input
82.eighty_two?
result
true
eighty_three?
examples
negative two
input
-2.eighty_three?
result
false
negative one
input
-1.eighty_three?
result
false
zero eighty three
input
0.eighty_three?
result
false
one eighty three
input
1.eighty_three?
result
false
two eighty three
input
2.eighty_three?
result
false
eighty three check
input
83.eighty_three?
result
true
eighty_four?
examples
minus two eighty four
input
-2.eighty_four?
result
false
minus one eighty four
input
-1.eighty_four?
result
false
zero eighty four
input
0.eighty_four?
result
false
one eighty four
input
1.eighty_four?
result
false
two eighty four
input
2.eighty_four?
result
false
eighty four
input
84.eighty_four?
result
true
eighty_five?
examples
number check
input
-2.eighty_five?
result
false
number check
input
-1.eighty_five?
result
false
eighty five check
input
0.eighty_five?
result
false
eighty five check
input
1.eighty_five?
result
false
eighty five check
input
2.eighty_five?
result
false
eighty five check
input
85.eighty_five?
result
true
eighty_six?
examples
is eighty six
input
-2.eighty_six?
result
false
is minus 1 eighty six
input
-1.eighty_six?
result
false
is zero eighty six
input
0.eighty_six?
result
false
is one eighty six
input
1.eighty_six?
result
false
is two eighty six
input
2.eighty_six?
result
false
is eighty six
input
86.eighty_six?
result
true
eighty_seven?
examples
eighty seven
input
-2.eighty_seven?
result
false
negative one eighty seven
input
-1.eighty_seven?
result
false
zero eighty seven
input
0.eighty_seven?
result
false
one eighty seven
input
1.eighty_seven?
result
false
two eighty seven
input
2.eighty_seven?
result
false
eighty seven
input
87.eighty_seven?
result
true
eighty_eight?
examples
negative number false
input
-2.eighty_eight?
result
false
negative one false
input
-1.eighty_eight?
result
false
zero eighty eight false
input
0.eighty_eight?
result
false
one false
input
1.eighty_eight?
result
false
two false
input
2.eighty_eight?
result
false
eighty eight true
input
88.eighty_eight?
result
true
eighty_nine?
examples
eighty nine check
input
-2.eighty_nine?
result
false
eighty nine check
input
-1.eighty_nine?
result
false
eighty nine check
input
0.eighty_nine?
result
false
eighty nine check
input
1.eighty_nine?
result
false
eighty nine check
input
2.eighty_nine?
result
false
eighty nine check
input
89.eighty_nine?
result
true
ninety?
examples
is ninety number validation
input
-2.ninety?
result
false
negative one ninety question
input
-1.ninety?
result
false
zero ninety check
input
0.ninety?
result
false
one ninety check
input
1.ninety?
result
false
two ninety check
input
2.ninety?
result
false
ninety number check
input
90.ninety?
result
true
ninety_one?
examples
negative number check
input
-2.ninety_one?
result
false
negative one ninety one check
input
-1.ninety_one?
result
false
zero ninety one check
input
0.ninety_one?
result
false
one ninety one check
input
1.ninety_one?
result
false
two ninety one check
input
2.ninety_one?
result
false
ninety one check
input
91.ninety_one?
result
true
ninety_two?
examples
negative number check for ninety two
input
-2.ninety_two?
result
false
negative one check
input
-1.ninety_two?
result
false
zero check
input
0.ninety_two?
result
false
one check
input
1.ninety_two?
result
false
positive two check
input
2.ninety_two?
result
false
ninety two check
input
92.ninety_two?
result
true
ninety_three?
examples
negative two is not ninety three
input
-2.ninety_three?
result
false
negative one is not ninety three
input
-1.ninety_three?
result
false
zero is not ninety three
input
0.ninety_three?
result
false
one is not ninety three
input
1.ninety_three?
result
false
two is not ninety three
input
2.ninety_three?
result
false
ninety three check
input
93.ninety_three?
result
true
ninety_four?
examples
negative two ninenty four
input
-2.ninety_four?
result
false
negative one ninety four
input
-1.ninety_four?
result
false
zero ninety four
input
0.ninety_four?
result
false
one ninety four
input
1.ninety_four?
result
false
two ninety four
input
2.ninety_four?
result
false
ninety four
input
94.ninety_four?
result
true
ninety_five?
examples
example
input
-2.ninety_five?
result
false
-1 ninety five
input
-1.ninety_five?
result
false
zero ninety five
input
0.ninety_five?
result
false
one ninety five
input
1.ninety_five?
result
false
two ninety five
input
2.ninety_five?
result
false
ninety five check
input
95.ninety_five?
result
true
ninety_six?
examples
ninety_six_check
input
-2.ninety_six?
result
false
ninety six check
input
-1.ninety_six?
result
false
ninety six check
input
0.ninety_six?
result
false
ninety six check
input
1.ninety_six?
result
false
ninety six check
input
2.ninety_six?
result
false
ninety six check
input
96.ninety_six?
result
true
ninety_seven?
examples
negative two ninety seven evaluation false
input
-2.ninety_seven?
result
false
negative one ninety seven evaluation false
input
-1.ninety_seven?
result
false
zero ninety seven evaluation false
input
0.ninety_seven?
result
false
one ninety seven evaluation false
input
1.ninety_seven?
result
false
two ninety seven evaluation false
input
2.ninety_seven?
result
false
ninety seven evaluation true
input
97.ninety_seven?
result
true
ninety_eight?
examples
ninety eight
input
-2.ninety_eight?
result
false
not ninety eight
input
-1.ninety_eight?
result
false
zero ninety eight
input
0.ninety_eight?
result
false
one ninety eight
input
1.ninety_eight?
result
false
two ninety eight
input
2.ninety_eight?
result
false
ninety eight
input
98.ninety_eight?
result
true
ninety_nine?
examples
negative two point ninety nine
input
-2.ninety_nine?
result
false
negative one point ninety nine
input
-1.ninety_nine?
result
false
zero point ninety nine
input
0.ninety_nine?
result
false
one point ninety nine
input
1.ninety_nine?
result
false
two point ninety nine
input
2.ninety_nine?
result
false
ninety nine
input
99.ninety_nine?
result
true
one_hundred?
examples
one hundred checker
input
-2.one_hundred?
result
false
one hundred checker
input
-1.one_hundred?
result
false
one hundred checker
input
0.one_hundred?
result
false
one hundred checker
input
1.one_hundred?
result
false
two one hundred checker
input
2.one_hundred?
result
false
one hundred checker
input
100.one_hundred?
result
true