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Number π

On a Casio calculator you can recall the value of the number π with the keys

  EXP

 


Example 1

To show the value π = 3.1415…

  EXP  π_
          0.
=  π
 3.141592654

 


Example 2

To calculate sin (½π) = 1

sin  ·   5    EXP =  sin .5π     
          1.

 


Example 3

To calculate tan (¼π) = 1

tan  ·   2   5    EXP =  tan .25π    
          1.

 


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