Handy and useful expression calculator and unit converter with skins. Main features: fully customizable interface with skins; keyboard shortcuts; all arithmetic operations, more than 20 functions; editable lists of constants and unit conversions; recalling previously used expressions; five result formats with changeable precision; automatic clipboard copy/paste; minimizes to the system tray.

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

EuroCalc
Easy free small Calculator and Euro converter. Stay on top, remove conversion and remove keyboard options.

UNITS32
Conversions of units and currencies are done efficiently by using a single input-field. You type like you think, entering a number and the beginning of a unit, name or symbol. The assistant will automatically display the possible units.

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.

Calculator Prompter
Calculator Prompter is a math expression calculator. Calculator Prompter has a built-in error recognition system that helps you get correct results. With Calculator Prompter you can enter the whole expression, including brackets, and operators.