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Galgulator
Using the program is very easy. You can give any numerical expression for the program you want. Just input the expression with your keyboard or with buttons which you can enable from menu. Examples:
2 + 3 / (5 + 4)^3 5e4 + 6 * 10^4 + 0,643 sin(50) + 3! floor(exp(sqrt(6))) * piThe calculator also has support for hexadecimal numbers and many common programming language operators:
0xFF & 0xF4 + 5 1 && 0 || 0 && 0The program uses big integers to do the mathematical operations (http://mattmccutchen.net/bigint/). This means that there is no limit of integer values. If the result is not an integer, the calculator will automatically continue the calculations with floats. Float precision is long double (fraction 64 bits, exponent 15 bits). You can limit the value range to longs/shorts/chars if you want. Each calculation is done in separate background thread.
With enter key you can select all text and then easily insert the next expression.
Even though the program is quite versatile and easy-to-use, it is not designed to be very fast or powerful. In fact, it's quite slow with big numbers. If you want more speed, try for example SpeedCrunch. This program is designed for programmers and basic computer users, who need to calculate something quickly and easily. As an addition, this program has also a history and a converter, where you can convert almost anything to anything. Check through all the features in main menu.
Warning: I take absolutely no responsibility that the calculator would calculate the expressions correctly. Actually, there is not any kind of guarantee that it would calculate anything correctly. You use this software solely at your own risk. Though, the calculator of course tries to calculate correctly. If you find an expression where the calculator gives a wrong answer, please report it to me (harri.luoma@gmail.com).
The program is freeware so you can copy it freely. I hope you find it useful :)
Harri Luoma 2014
Download here: Galgulator v.1.2 (1500 kb)
New in version 1.1: fixed bug with decimal mark, added shortcut keys for number formats.
New in version 1.2: fixed bug with 10^-5, fixed bug from floor function, show options are now saved to windows registry, window scaling is disabled, compiled with newer compiler.
Full image with buttons, converter, and history visible:
