Did you loan out money and the person paying pays every now and again, not a fixed amount on a regular basis? Try this free software, perfect for mutts that loan money to flakey people: F&I Software and Menu Selling Software for Dealerships by Quantech Software
Mutt Calmloki approved.
Anybody with anything better please chime in.
Want to play the "how much has my house appreciated" game but don't have the math chops to pull it off? CNN to the rescue:
Calculators - Rate of Return
*not affiliated with either organization, just a fan of free and simple.