Calculator

Calculator includes all the usual operations.

Key features:

- Small size;

- Suitable for any screen and resolution;

- Easy to use;

- Tap to copy, long tap to insert the results;

- Short operation ( "3x =" -> "9", "3 + =" -> "6", "3xx" -> "9", "3 ++" -> "6" and others);

- Trigonometric functions (cos, sin, tan, sinh, cosh, tanh) and backward power of them;

- Operation "Cancel" and "Repeat" (undo and redo previous actions);

- Save to memory and from memory, add and subtract operations;

- History, pull down to display;

- Additional operations are caused by long tap;

- Button "?" - enables help mode (tap and long tap for operations describe);

- Additional window for pre-results;

- Many other features ..