Full version.
Operations and functions:
- basic (add, substract, divide, multiply);
- trigonometric (angles in degrees, radians, gradians);
- logarithms (natural, common);
- powers, roots;
- factorial;
- percentage.
Constants: pi, e.

Version 1.1
Added degrees and gradians.
Added ability to disable vibration.
Added ability to change buttons position.
Screenshots:

Lite version.
Operations and functions:
- basic (add, subtract, divide, multiply);
- trigonometric (angles in degrees, radians, gradians);
- common logarithm;
- powers, square root;
- percentage.

Version 1.1
Added radians and gradians.
Added ability to enable vibration.
Added ability to change buttons position.
Screenshots:


