Introduction

Introduction of the RedCrab Calculator

RedCrab is a mathematics software with fullscreen editor for scientific, statistical and financial calculations.

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

  • It supports mathematical symbols such as fraction line and square roots.

  • In addition, functions for calculating lists, tables and sets are supported.

  • Results can be graphically displayed as a chart

  • Plot functions for 2D graphs


Handling and helper


  • The handling of the basic functions is similar to that of conventional pocket calculators

  • Tooltips for the controls 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


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


Other basic features

Introduction  
Accuracy CRange and accuracy
Expressions Mathematical expressions
StartCalculation Execute calculation
Fraction line Write a fraction line
Square roots Handling of root symbols
Subscript How to write subscript
Superscript How to write an exponent
Greek letters How to write Greek letters
Prefix Prefixes instead exponents
Hex, Oct, Bin Hex, octal or bin numbers
Complex numbers
Implied multiplication