From Creative Creek:
The Mortgage Program Add-on for MathU Pro turns your Palm OS or Pocket PC device into an easy to use mortgage and loan calculator. Add this program to MathU Pro to determine payments, when to refinance, amortization tables, compute effective APR and more. Handles balloon payments, Canadian-style mortgages, first and second mortgages. Works with both the Palm OS and Pocket PC versions of MathU Pro.