Scientific Calculator

This Calculator is editable expression of scientific calculator. Can display the multi-line expression, let you to prevent the input errors. In addition, move the cursor on the screen can easily modify the expression.
[characteristics]
* expression to edit and call again
* results and expression of history
* decimal and binary, octal, and hexadecimal
* the basic transformation
* main memory and the memories of the six variables
* percentage
* arithmetic, trigonometric function, inverse trigonometric function, exponential function and logarithmic function, power, power is the square root function, factorial, and forgive.
* DEG, RAD GRAD model.
* floating point, point, science and engineering display mode.
* configurable decimal separators, grouping separators
Based on the number of the transformation configuration
* BS keys and DEL keys, INS key.
* landscape mode
* vibration and orange colour key input validation