Check your speedErnellCalculator is a free calculator application. It has a simple to use interface. Just type the expression that you like to calculate in the calculation area and hit enter. The result will be shown at the desired form (rational, real or both). You can also use the num-pad to enter the expression you want to calculate. The number of decimals shown can easily be adjusted with the "decimal-slider". All calculations, variables, conversions and settings can be saved. Hit print or print preview to print the calculations made. There are a number of very useful functions under the tabs. Use the Trigonometry-tab for trigonometry functions. Solve triangles with the triangle-solver is easy. Supply at least three lengths or angles and the triangle solver will calculate the rest for you. There are useful functions for complex numbers under the Complex-tab. You can define your own variables or constants under the Variable-tab. Variables or constants can also be defined directly in the calculation area. Go to the Conversions-tab to make conversions between all kinds of units. There are a Latin and a Greek keyboard under the Alpha-tab. Use the CAPS-LK buttons to switch between capital and small letters.
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