Delta-K,  Problem Solving,  Volume 36, Issue 2

The Problem with Factorials!

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 36 Issue 2, June 1999

63

The Problem with Factorials!

Klaus Puhlmann

One Saturday, my friend was preparing a presentation for an important conference when his daughter, Susan, stepped into his office. She appeared bored, began to play with his old typewriter, touched everything else in sight and muttered some incomprehensible gobbledygook.