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RedCrab Calculator 是由德国人开发的科学计算器。它除了命令行功能,还带有一个图形化的全屏公式编辑器,只需用鼠标绘制几何图形、微积分、电路图等等,它就会自动计算出结果。甚至还可以显示分步求解过程,可以提高广大同学们的工作效率。



http://www.redchillicrab.com/en/redcrab/index.html


RedCrab Version 3.50.31

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RedCrab - The Calculator

RedCrab is a scientific calculator with a full screen formula editor. The mathematical expressions are not typed in a typical command line, but can be enter in an editor window similar to a piece of paper. 

The calculator's editor supports the entry of complex algebraic equations like fractions, square roots, exponents, etc. for technical and scientific applications.

No installation of the software is required. You can just copy the software to your system and starts the program.

Starts from external disk, for example USB flash drive or CD / DVD



Why RedCrab?

No one today would want to work with word processing program that simulates a typewriter, for example, no copy, paste and edit. For typo errors, whole text must be rewritten.

But most PC calculators are just unflexible simulations of pocket calculators.

RedCrab is a calculator that exploits the possibilities of PC's. Easy to use like a pocket calculator, but provided with full screen editor, which supported corrections, saveing and printing as a word processing program.

Several tasks can be written in the same worksheet. Results can be adopted in other mathematical problems as in a spreadsheet program. Images and texts can imported to describe complex calculations.


Quick start without studying the manual

The handling of the basic functions is just like a conventional calculator. There is no training required. Whoever can operate a pocket calculator can also use RedCrab without studying the manual. This guide describes fundamentally the advanced features which a normal calculator does not possess.


RedCrab is portable

RedCrab is fully portable. The program can be started from external data storage source without installation. Settings can be stored as a file in the prorams root directory instead in the PC' s Windows registry. 

If you start RedCrab from a USB flash drive, your settings are stored on the stick.


 

System requirement

Minimum Pentium P4 and 500MB RAM.
Operating system: Microsoft *Windows 


Operating system: Linux with Wine runtime system



What others think about RedCrab:

itreadme.com : Red Crab’s Advantages over Windows Calculator
mydigitallife.info
: Scientific Calculator For Complex Calculations
downloadcrew.com:Solve complex equations in seconds with this powerful calculator
tricks-collections.com: Free and Portable Scientific Calculator

 


*Windows is a registered trademark of Microsoft Corporation.



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