RedCrab Calculator


RedCrab Calculator - Math Software

RedCrab Calculator

RedCrab Calculator is a mathematics software with fullscreen editor for the free placement of algebraic formulas on the worksheet in mathematical notation.

Results can be displayed in different numeric formats and in diagrams. Images and texts can be inserted.

RedCrab Calculator

RedCrab worksheets are also suitable for presentations.

The freeware contains about 70 functions for technical and scientific calculation of individual values and data fields.

Upgrade zu RedCrab PLUS

Upgrade to RedCrab PLUSThe shareware RedCrab PLUS extends the range of functions with additional functions for statistics, finances, matrices and special applications, as well as calculating with complex numbers and units of measure. Plotting in 2D and 3D surfaces and wire frames.

Free Key Code for RedCrab PLUSFree Key code

The functions of the RedCrab PLUS full version can be activated free of charge for testing on a daily basis. For trial code click here.

System requirement Version VI

Microsoft Windows XP, Vista, W7, W8.x, W10
Framework 4.0 or higher

RedCrab Version V4.13

runs with operating system Linux with
Wine runtime system.
download V 4.13

RedCrab is portable

USB StickThe RedCrab Calculator is portable. No installation is required. RedCrab starts from external disk, e.g. USB flash drive or CD / DVD. Program settings are stored in the start directory.

RedCrab Online User Manual

Online ManualThe RedCrab Calculator User's Guide can be found here. It contains descriptions for handling and more than 250 math functions.

The online help for the individual functions can be called up directly from the program with a mouse click or with the F1 key


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