A familiar ten key calculator for the office professional designed by a CPA. If you use a ten key desktop calculator, you will love myTenKey! Includes a sizable and realistic adding machine tape that can be printed, saved, or copied to your favorite program. A tape can also be edited and processed again without changing the original tape. Not only does myTenKey operate and sound like a real ten key, it includes a conversion calculator, a fraction calculator, realistic controls, and a minimize to the tray option. Grand total, item counter, mark up, tax, discount -- it's all here. Download your copy today.

FeeFinder
FeeFinder takes the mystery out of eBay's complicated fees. It can calculate your fees for virtually any type of eBay auction, as well as PayPal and eBay Payments costs. It works with eBay UK, eBay Canada, eBay Germany and the main eBay site.

UM Converter
MS Excel add-in that makes unit of measure conversions.Several units from different categories and units systems are available.

KMB Electrical Calculator
Calculates tons of formulas used in an electrical environment; Ohms, volts, amps, horsepower, etc.

1st Calculator
Handy and useful expression calculator and converter with skins and lots of features

Tiny Mortgage Calculator
Tiny Mortgage Calculator 1.0 is a free Windows application that lets you quickly calculate some essential mortgage-related figures. Simply enter the amount to be financed, the interest rate and duration of the loan.