Coolcalc is a great calculator program. It is unique in the way it is designed. You can change colors, sounds, buttons sizes and shapes, and even create your own personalized calculator with just what you want on it.
It was written by Applian Technologies Inc and was previously a commercial application for HPC. But due the generosity of Bill Dettering at Applian, he has authroized HPCFactor to provide the full program with registration key to HPC users free of charge.
