It's all about mathematics and calculators
Taking some time from my math blog to speak about today. This is a day we in the United States will never forget. Blessings to the families who suffered the losses on that horrible day in 2001. May this world find peace soon.
The MU Key on a Four Function Calculator and Programs for the DM42/HP 42S Not too long ago, I purchased this very colorful, four funct...
