Now there are two programs in one. One that can Add, Subtract, Divide and Multiply fractions and another that can convert a decimal to a fraction or a fraction to a decimal. It's a breeze with "Fractions". Quick and easy interface. No confusing menus. Many fraction programs only convert fractions to a decimal. This unique program converts decimals to fractions. Great for school or work. Handy for STOCK quote conversions. CE edition.
Multipurpose Calculator - MultiplexCalc
MultiplexCalc is a multipurpose and comprehensive desktop calculator for Windows. It can be used as an enhanced elementary, scientific, financial or expression calculator.
pmaCalc is THE replacement for your pocket calculator. it combines a scientific calculator with a programmer's calculator.
GraphiCal is a programmable calculator with graphical output which lets you visualize expressions and formulas as graphs in a chart. It has more than 50 built-in mathematical functions, and can integrate and find roots and extrema of functions.
Tiny but smart calculator: just type in any expression, like "2+3/7.1-3sqr 5", and hit Enter; then modify it and evaluate again without re-entering everything. 18-digit precision, 30 functions, 12 memories, fractions, deg/min/sec, more!
Any Place Calculator
Any Place Calculator allows you to make calculations in any place where it is possible to enter expressions (e.g. text editor, lines of input, etc.). All you have to do to count an expression in any text editor is to type it, and press the hotkey.