Calculator Widget

Simple, comfortable and functional 2-line calculator widget, which is always on your screen. It has a few main features:
- It need very low storage size;
- It can be resizable from 2x2 to appropriate for you;
- You can choose any color of background, frame or text.
- You can adjust transparency (4 levels);
- Built-in logging;
- Posibility to edit and add comments for results;
- Results can be copied into the clipboard;
- You can share your results;

As well it has as a number of engineering functions such as:
- Cosine cos (Hyperbolic cosh);
- Sine sin (Hyperbolic sinh);
- Tangent tan (Hyperbolic tanh);
- The square of the number x ^ 2 (the number of degrees in the x ^ y);
- Square root √ x (root of the number of y √ x);
- N! (Factorial);
- Log log (natural ln);
- Constants Pi and e.

All comments and suggestions please send to e-mail, I would really appreciate. Consider any criticism and suggestions for improvement.

Recent changes:
Fixed bug with malformed expressions