this is the go code that I am really learning how to build. this is why I am learning the language in the first place.

1. primality checker
2. prime factoriser
3. gcd
4. lcm
5. 3^n \equiv 1 (mod 7)
6. euclidean algorithm
7. extended euclidean algorithm
8. modulo calculator
9. fermat's little theorem solver
10. nth fibonacci number
11. random number generator (2 sliders)
12. random float generator (2 sliders)

next time I visit
1. base changer
2. print bits
3. endian checker