RedCrab Calculator


is a mathematics software with ful lscreen editor.
  • For scientific, statistical and financial calculations

  • Mathematical formulas are placed in natural mathematical notation on the worksheet

  • Mathematical symbols like fraction bar and root signs are supported

  • Additionally functions for calculating lists, tables and sets are offered

  • Results can be displayed graphically as charts

  • Plot functions for 2D and 3D graphs

Handling and helper

  • The handling of the basic functions is just like conventional pocket calculators

  • Tooltips for the control elements are displayed in German or English (to change the language use the menu Settings>Language)

  • For online help of the internal functions, place the cursor on the function name and press the button F1

is portable. The program can run from external disks or USB-stick without installation.


Input of Expressions
Start Calculation
Write a Fraction Line
Write Square roots
Write Subscript
Write Superscript / Exponent
How to write Greek letters
Hex, octal, binary Input
Complex numbers
Implied multiplication
Keyboard Settings
  Products RedCrab Calculator RedCRab Manual  
      RedCrab Software - Singapore - Sengkang West Way