Omicron 2 Calculator

Key features:
1. Calculates full expression;
2 . Instant calculation ;
3 . Calculation of basic trigonometric functions (sin, cos, tg, ctg);
4 . Calculation of inverse trigonometric and hyperbolic functions;
5 . Factorial of a real number ;
6. Calculating percentages ( is required) ;
7. Modes degrees / radians ;
8. Comfortable, clean interface , nothing more ;
9. Change color themes available ( dark and light );
10 . History of Computing ;
11. Russian , English and German ;
12. Without advertising ! ;