Last night I was wrapping a Christmas present, and because I’m so frugal (that’s fancy talk for cheap), I broke out the ruler and measuring tape to ensure that I minimized wrapping paper waste. It never fails that after wrapping a large item there are a lot of little pieces left over. These scraps [...]
Mathematics - Making an Even Merrier Christmas!
By Bill Wagner on Dec 7, 2007 within Coffee Break, Tips | Comments
If You Don’t Know How to Use an Abacus You Can Learn Here
By Riley Porter on Sep 10, 2007 within Guides | Comments
Some people collect stamps or coins. I collect abaci (or, if you prefer, abacuses). My current collection includes ten abaci, most made of wood, but a few formed from ivory and jade. But enough about my own personal love of the abacus. I am more interested in explaining how to use one of these [...]