RCalculator

Free, easy, simple, and at the same time, a powerful calculator and converter for everyday needs.
Using our app, you get:

• Ability to evaluate expressions of any complexity;
• More than 30 mathematical functions;
• Ability to work with number systems;
• More than 10 different converters for all occasions;
• Ability to customize the color scheme of the application to your taste;
• Special mode for engineers and programmers;

... And much more.