Abundant Numbers
564
Abundant Numbers (Long)
671
Arabic to Roman
668
Arrows
393
Card Number Validation
495
Christmas Trees
685
Collatz
811
Cubes
470
Day of Week
470
Diamonds
421
Divisors
660
Emojify
361
Evil Numbers
538
Evil Numbers (Long)
532
Fibonacci
934
Fizz Buzz
976
Foo Fizz Buzz Bar
986
Forsyth–Edwards Notation
540
Happy Numbers
467
Happy Numbers (Long)
533
Hexdump
475
Intersection
616
ISBN
603
Look and Say
599
Medal Tally
391
Morse Decoder
310
Morse Encoder
340
Niven Numbers
569
Niven Numbers (Long)
626
Odious Numbers
522
Ordinal Numbers
390
Pangram Grep
834
Pascal’s Triangle
591
Pernicious Numbers
471
Pernicious Numbers (Long)
536
Rock-paper-scissors-Spock-lizard
471
Seven Segment
506
Spelling Numbers
330
Time Distance
634
Tongue-twisters
606
π
294
𝑒
398