eSolve

eSolve - a program specifically designed for mathematical functions (calculator) and for solving linear and quadratic equations.

New features in contrast to an earlier version:
1. Added the mathematical accuracy
2. Fixed a small mistake with the wrong solution to (confused + with -)
3. Added feature to erase the output string
4. If there are no roots or x any number program shows it
5. Now, the program solves quadratic equations

Management:
Esc - exit
Enter - solve
F1 - about the program
F2 - the accuracy of mathematical
F3 - clear answers