99 Bottles of Beer
669
Abundant Numbers
579
Abundant Numbers (Long)
718
ASCII Table
622
Card Number Validation
536
Fibonacci
597734812611960696786
Fizz Buzz
761
Foo Fizz Buzz Bar
766
Forsyth–Edwards Notation
581
Fractions
408
Niven Numbers
438
Prime Numbers
503
Prime Numbers (Long)
693
Reverse Polish Notation
510
Roman to Arabic
572
ROT13
643
Tongue-twisters
497