MadMath

What's wrong with the number 91? Consider this: With just three exceptions, all of the composite numbers up to 100 have a factor of eith...

The introductory statistics text that I teach out of presents the Central Limit Theorem this way: The Central Limit Theorem (CLT): For a re...

Many times I've seen the use of set-braces (roster notation) compared to an "envelope". Here's one example (speaking of em...

So I got a few inquiries about the prior post on how a Psychology Today article could make me yell out loud. Yes, I was sitting in my apart...

Any article that has me yelling out loud while I read it must be a good one. Highly recommended for several reasons: http://www.psychologyto...

Oh, and I got to do this again today. Still amazed.

In my remedial algebra class, I assign these stupendously short homeworks, but require precisely written work -- professional format, one fu...