#42
Factorial Fun
| Difficulty: | Easy |
| Topics: | math |
Write a function which calculates factorials.
 | (= (__ 1) 1) |
| (= (__ 3) 6) |
| (= (__ 5) 120) |
| (= (__ 8) 40320) |
| Difficulty: | Easy |
| Topics: | math |
| (= (__ 1) 1) |
| (= (__ 3) 6) |
| (= (__ 5) 120) |
| (= (__ 8) 40320) |