CplxCalPro 

CplxCalPro, CCP, is the most powerful programmable graphicalcalculator for the palm platform.CplxCalPro allows you to perform the most advanced calculations and function graphing without any programming.
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MtrxCal 

Don't spent hours writing a program for some programmable calculator while MtrxCal can perform the same calculations with just a few simple lines. Don't waste time trying to find the right maximum and minimum values for plotting your functions.
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