1)   DreamCalc Financial Calculator (Pro) 4.8.0
DreamCalc is the leading Scientific, Graphing & Financial Calculator for Windows that's so realistic it dispenses with the need for a physical hand-held altogether!

 2)   Mortgage Prelude 2.3.1
This FREE mortgage calculator computes such items as your monthly payment, amortization schedules, interest, etc; but it is so much more. You can actually find out how much of a mortgage you are qualified to get!

 3)   APSW Budget Planner V3 Pro 3.0.1.35
Financial management software for home and personal budgeting, including 'what-if' and scenario planning. Features include a loan and mortgage calculator, loan and savings target goal tracker plus, due dates and reminders, fully customizable.