HP50g Graphing Calculator

My new HP50g calculator arrived. I am really impressed with it. The functionality is incredible. There are a number of manuals and tutorials which come with... »

Dead Calculator

I was really bummed. I thought that the batteries in my TI-85 calculator were finally dying so I bought new ones yesterday. Well it turns out... »

Volume of a Pizza

The general equation for the volume of a cylindrical object is noted by the following equation. If a pizza has a radius of z and a... »