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. Also supports Algebraic, RPN & DAL calculator modes. Backspace to edit mistakes, brackets to frame your expressions correctly.

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 all major 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 (whats my shoe size in Europe?!?).

Financial & Statistical Functions
1-Calc includes popular financial functions like Time Value Money, Percentage Change (%Δ), Interest Rate Conversions, Depreciation, Profit Margin and Break Even. Also solve statistics regression problems and convert between dates.

Graphing Calculator
Get all the functionality of a $150 graphing calculator on your Pocket PC. Enter up to four equations and see their paths plotted on the graph. Also does quadratic equations.

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.

Tip Calculator
Finally work out who should pay when you'e 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.