Writing Script for nchoosek without the factorial function

I'm being asked to write a script that calculates n choose k without using Matlab’s built-in factorial function. I know the basics to matlab but I'm still pretty new at this...any quick formatting tips to get me started?

Answer 1

[Walter Roberson]

Formatting tip:

Enter you code in the editor without worrying too much about spacing. Then press control-A (command-A on Mac) to select it all, and click on the "Smart Indent" button.