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.

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.

CalcPac RPN
CalcPac RPN is a powerful business calculator that operates like the HP-12C. CalcPac RPN is fully programmable and has 120 business functions. CalcPac RPN solves mortgage, loan and lease problems and generates financial graphics. Includes 10 skins.

Euro Calculator
Four packages in one: calculator with translucent skins, currency converter, internet agent that collects daily rates, and promotional medium (via custom redistributable versions). Calculator and euro conversion functionality never expire (freeware).

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.