Simple Calculator

A very simple and completely offline calculator. If you have suggestions or when you find a bug, please report them back to me so I can fix them as soon as possible. Features: * standard operations: add, subtract, multiply, divide, extraction of roots and exponentiation. (v1.0) * floating numbers. (v1.0) * input formulas with more than 1 operation. (v1.1) * order of operations implemented. (v1.1) * dutch language support. (v1.1) * percentage calculations. (v1.1) * keyboard support added. (v1.1) Bugfixes: * comma interpreter corrected. (v1.1.1001) * added filters for keyboard input. (v1.1.1002) * enter buttons working again. (v1.1.1003) * input bug fixed. (v1.3.1) * added frame for resize and move functionality. (v1.3.2)