Calculator

The editable calculator.
Configured to smartphones and tablets. Android 2.2 Froyo

Operative:
Root, power, multiplication, division, addition, subtraction.

Edition:
20 stored and editable lines for calculations.
200 characters per line.
8 decimal display for results.
999999999.999 mayor decimal number presented as a result.
9.9999999e99 mayor exponential number presented as a result.
No "boundary" of digits in operations.