Natural Calculator is an easy and handy tool used for different mathematical computations. You can use Natural Calculator like you use an ordinary personal pocket electronic calculator. The main slogan of the program is: maximal convenience, simplicity, speed and obviousness of daily simple mathematical computations.

* Handy "paper" data display.
* Numbers with any quantity of digits and preset calculation precision.
* Computations with the following number-types: scientific, integer, fraction, complex.
* Calculation precision, angular measure, result view can be set on default for the whole document and separate expressions.
* User variables and functions.
* User units of measurement and unit systems; units conversion.
* User documents integration with preset variables, functions and units.
* Handy automatic recomputation under the user input.
* Two types of computation windows: standard multilateral document and single formula window.
* Instant computation under the mouse cursor in a separate window.
* Integration into mathematical programs that operate formulas in a string view with the clipboard.
* Syntax highlighting.