12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arithmetic Numbers
Arrows
ASCII Table
Card Number Validation
Catalan Numbers
Christmas Trees
Collatz
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
Evil Numbers (Long)
Fibonacci
48th
125th
3rd
12th
351st
141st
127th
27th
25th
37th
42nd
37th
48th
56th
32nd
53rd
43rd
128th
27th
162nd
359th
18th
44th
1st
30th
22nd
29th
69th
96th
126th
147th
22nd
126th
24th
137th
139th
22nd
28th
18th
36th
15th
24th
26th
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
ISBN
Leap Years
Leyland Numbers
Lucky Numbers
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Recamán
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Seven Segment
Time Distance
Transpose Sentence
π
√2