Abundant Numbers
539
Abundant Numbers (Long)
593
Arabic to Roman
477
Arrows
394
Card Number Validation
406
Christmas Trees
594
Collatz
656
Cubes
341
Day of Week
379
Diamonds
350
Divisors
742
Emojify
342
Evil Numbers
537
Evil Numbers (Long)
532
Fibonacci
933
Fizz Buzz
890
Foo Fizz Buzz Bar
781
Forsyth–Edwards Notation
382
Happy Numbers
361
Happy Numbers (Long)
450
Hexdump
321
Intersection
445
ISBN
470
Look and Say
485
Medal Tally
279
Morse Decoder
214
Morse Encoder
232
Niven Numbers
565
Niven Numbers (Long)
620
Odious Numbers
521
Ordinal Numbers
304
Pangram Grep
704
Pascal’s Triangle
546
Pernicious Numbers
469
Pernicious Numbers (Long)
502
Rock-paper-scissors-Spock-lizard
349
Seven Segment
363
Spelling Numbers
188
Time Distance
350
Tongue-twisters
337
π
262
𝑒
387