Numbers

1. Alarm clock
2. Binary to decimal convertor
3. Calculator
4. Decimal to Roman convertor
5. Distance calculator between two points on earth
6. Djikstra's algorithm to find shortest path
7. Fibonacci sequence
8. Fractions math
9. Luhn algorithm - Credit card validator
10. N digit PI
11. Find the next prime number
12. Pascal's triangle
13. Recursion - basic examples
14. Sieve of Eratosthenes - Get all prime numbers from 0 to N
15. Sorting Methods - Bubble, Selection, Insertion

Django Apps

1. Polls
2. System Font Viewer