CVP Cost Volume Profit Calculator 1.0
the author of this app says:
This is a handy business profit calculator. Starting with a breakeven calculation, you can calculate profit, quantity, and unit price by adjusting the other parameters as well as fixed and variable costs. Operating leverage and margin of safety are also calculated.
CVP will run on all popular PocketPC models by Compaq, Hewlett Packard, and Casio.