Smart Calculator

Smart calculator solve any of your task. He has the unique ability to return your computer operations. If you make a mistake in the calculation, you can return to this position and fix it. The whole history of our operations is stored by smart calculator. After each of your calculations, you will not only see the results, but all the data entered!
5 YES in favor of Smart Calculator:
1) Convenient input window - 2 line
2) During calculating you can see your result and also your input
3) Keep the entire history of computing activity within the application. Buttons - Return and Next
4) High-precision calculations - up to 10 decimal places.
5) It will be a prize drawing among the users of smart calculator
Functions:
Operations: +, -, *, /
All history operations: buttons - Return, Next
Expression: special window for your expression and window for result.
For examle:
Window 1: 5+7 =
Window 2: 12

In new realise will be: computing the sum, difference, multiplication, division, integrals, logarithms, mathematics, physics, accounting, audit, interest, business, investments, loans, area of ​​a circle, the function, length, range, series, sine, cosine, tangent, cotangent, derivatives, decimals, calculation, credit, engineering