KK-12C is the ultimate RPN programmable financial calculator for Palm OS.
KK-12C emulates all the functions of HP-12C, the most popular RPN financial calculator ever, with extra features. Program and all other registers can be saved at any time with unlimited sessions. More over, KK-12C comes with familiar look and feel of the real HP-12C, but fits nicely on your Palm screen. Requires Palm OS 3.5 or later and 200K of free memory for standard version, and 450K for High-Density display version (HD). HD version supports display in double-density mode (320x320) on Palm Tungsten, Sony CLIE NX series and Acer s50/s60.