Calculator

This calculator is advanced version of My Calculator.It is smaller in size.
The functions performed by this calculator are:

- basic arithmatic calculations
- square root
- exponential
- negative operations
- percentage calculations
- inverse operations
- pi calcultions
- sin
- cos
- tan
- MR,M+,M-,MS calculations
- x²
-log calculations
-ln calculations
-cube root
Additional feature:
- vibrates on key press.