# How do you evaluate 13!?

Dec 8, 2016

Have fun: $13 \cdot 12 \cdot 11 \cdot 10 \cdot 9 \cdot 8 \cdot 7 \cdot 6 \cdot 5 \cdot 4 \cdot 3 \cdot 2 \cdot 1$

#### Explanation:

I can use my calculator with a button that has "!" on it: