New v2.3 (free update) - supports landscape, square screen and VGA Pocket PCs.

1-Calc is a revolutionary calculator for the Pocket PC. It uses big buttons you can easily hit with your finger. The buttons provide clear audible & visual feedback of being pressed. It has been designed to be your "everyday" calculator that you can quickly pick up & use for a few basic calculations.

But 1-Calc is much more than this. Using the up/down buttons on your Pocket PC or the green option button, you can quickly scroll the top 2 lines of buttons to display other functions including:

Basic Functions
The most common calculator functions at your fingertips: +, -, x, ÷, +/-, 1/x, %, √, ³√, x², x³, 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, Rθ->X, XY->θ, Rθ->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 most of the world 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.

Customization
Want to display all your buttons at the same time? No problem! 1-Calc can display 40 smaller buttons on 1 page, and a quick tap of the up/down button can display 80 more.

1-Calc also allows button groups to be customized so you can display just the buttons important to your everyday calculations.

Plus, 1-Calc has many different options to allow you to set up 1-Calc for how you want it:

• Normal, fixed, scientific, engineering notation
• Display using regional settings
• Repeated equals
• Cleartype support
• Manually update currency figures

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!