Pitacalc is a command line interface calculator program. It works like a regular calculator, that it calculates and keeps a running total, but the calculations are performed by entering instructions that the calculator processes.
Pitacalc is available for download. The program is open source and is released under a BSD-style license. Please read the LICENSE file included with the zip archive for licensing information.
There are six posts so far on the features of Pitacalc: