RedCrab Calculator
 

 
Introduction
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
Accuracy
Keyboard Settings
 

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Root symbol
 

The root symbol is written with the keys Ctrl + 1.

Select the root area

  • Input the root symbol with the keys Ctrl + 1

  • Select the area, which will be included

  • Click the root symbol

 

  • To change the root area, select the new area and click on the root symbol again

  • With a double-clicking on the root symbol, the area will reset

  • To select the root area with the keyboard, hold down the Shift key and move the cursor from the end of the range to the root symbol

  Example Video:
 

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