RPN CalcSeries Financial 12C+ for PalmOS - save 30% from PDATopSoft.com
http://pdatopsoft.com/software/item.php?pid=11593 
RPNCalc 12C+ is a graphical calculator that emulates
the functionalities of HP-12C Programmable Financial Calculator with many extra features (HP-12C is a trademark of Hewlett Packard Co.). It calculates
loan payments, interest rates, PV, PMT, FV, Odd days, statistics, percent,
NPV, IRR, MIRR, depreciation, bonds, date calculations, mathematical calculations,
amortization, investment calculator with WHAT-IF analysis for different user defined scenarios, Conversions, Break-Even and Profit & Loss analysis, ...
Calculator Outline:
Financial Basic - Time Value of Money, Bonds and Depreciation
Cash Flow Analysis
Mathematics and Percentage
Statistics
Date and Time
Conversion Basic
Financial Solutions Pack
Palm Medical Software