...alculator software for Palm OS, Centro, Treo, Tungsten, T|X, Zire. Calculates loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, bonds and more. Ideal for real estate, finance, accounting, economics and business related work...HP 12c* Emulation. The best Financial HP 12c RPN Financial Calculator Software Calculator for Palm OS...