S-Ruban

12 Days of Christmas

99 Bottles of Beer

Abundant Numbers

Abundant Numbers (Long)

Arabic to Roman

Catalan Numbers

Collatz

Divisors

Evil Numbers

Evil Numbers (Long)

Fibonacci

Fizz Buzz

Foo Fizz Buzz Bar

Fractions

Leap Years

Niven Numbers

Odious Numbers

Odious Numbers (Long)

Pangram Grep

Pascal’s Triangle

Pernicious Numbers

Pernicious Numbers (Long)

Prime Numbers

Reverse Polish Notation

Roman to Arabic

Tongue-twisters