1-Calc 2.2.0 freeware download for Windows Mobile smartphone.

1-Calc is a revolutionary calculator for the Smartphone. Designed for simple, fast one or two handed entry of simple calculations, 1-Calc also includes many other features that make it the only calculator you will ever need.

This product does not support QVGA or 320x240 devices presently.

Use the up/down buttons on the Smartphone to uncover other features:

Basic Functions
The most common calculator functions at your fingertips: +, -, x, ¡À, +/-, 1/x, %, ¡î, ©ø¡î, x©÷, x©ø, full memory functions, x^y, !, Exp, 10^x, e^x.

Backspace to edit mistakes, brackets to frame your expressions correctly.

Also supports Algebraic, RPN & DAL calculator modes.

Scientific Functions
Full scientific calculator: sin, cos, tan, deg/rad/grad, PI, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, R¥è->X, XY->¥è, R¥è->Y, Random, nPr, nCr, Last Answer.

Useful constants for scientific calculations are also available as a group of buttons. You don't need to keep constants on a scrap of paper any more!

Currency Converter
1-Calc grabs the latest currency rates from the Internet so wherever you are, you always have the latest rates with you! Quickly convert between the following currencies:

Unit Converter
A full unit converter that not only helps for the everyday conversions (e.g. km/miles, Fahrenheit/Celsius), but also for the unexpected (what's my shoe size in Europe?!?). Unit conversions include:

Distance, Temperature, Speed, Volume, Cooking, Computing, Area, Energy, Power, Mass, Force, Pressure & Clothing sizes.

Tip Calculator
Finally work out who should pay when you're out with friends!

Memory Banks
1-Calc has 5 different memory banks to store your last calculation, not just 1 like most usual calculators. Plus it has copy / paste buttons to allow results to be copied to / from other programs like Excel or Word.

Base converter
Quickly convert between binary, decimal, hexadecimal & octal.

Skinning
Skinning (changing how the calculator looks) is an integral feature of 1-Calc. See the Omega One web site for details instructions on how to skin 1-Calc to make it look unique!