Welcome to Natural Calculator!

Natural Calculator is a mathematics program for everyday and professional problem solving.

Calculations with Natural Calculator are naturally enough! Just write what you want to calculate. There are keyboard keys for  basic mathematics operations. String algebraic and trigonometric functions are typed with an argument in parentheses, as usual. Press “=” key to get a  result. Continue to edit your expression as needed, and the result will be automatically recalculated.

To type a symbolic operation, start to type its name, and it will appear in the "suggest" window. Get it from there, so you can use the mathematics panel containing the most useful mathematics operations and functions.

You can calculate simple arithmetic expressions, solve mathematics and physics problems with any accuracy, convert units between systems or inside one system, and much more quickly and simply!

Natural Calculator is very simple, and at the same time, it has rich functionality. When you’ve mastered this program, you can define your variables, functions, and units, and use them in your calculations. You can share with other programs that run mathematical expressions simply. You can calculate in various numeric notations and use include files.

For new users - see the Getting started and Editing chapters. Study the basics of calculations in Natural Calculator, and see that they are very simple, intuitive, and visual!

For professional users - see the Calculations chapter. Natural Calculator's features are for you! Work with different number types, variables and functions, and units and its systems.