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fx-82MS      fx-82TL      fx-9860GII      TI-83


˟  

On a Casio calculator you can take the power root

˟√        θ
SHIFT

or via the CATALOG as

CATALOG  P INPUT
SHIFT 4  x    F1

 


Example 1

To calculate 664 = 2

˟√   θ
SHIFT  6   ▷   6   4  EXE 664
2

 


Example 2

To calculate 0,52 = 21/0,5 = 22 = 4

˟√        θ
    5  SHIFT  2  EXE .52
4

 


Example 3

To calculate 1−7 = −7

˟√        θ
 1  SHIFT (–)  7  EXE 1-7
-7

 


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