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ex

On a Casio calculator you can calculate powers of the number e with the keys

  ln

 


Example 1

To calculate e0 = 1

  ln e_           
0.   
 0  = e0                 
1.   

 


Example 2

To calculate e1 = 2.7182…

  ln  e_
           0.
 1  =  e1
 2.718281828

or show the value directly with

  ln  e_
           0.
=  e
 2.718281828

 


Example 3

To calculate eπ = 23.140…

  ln   EXP = eπ                 
23.14069263   

 


Example 4

To calculate ln (e2) = 2

ln   ln  2  = ln e2            
2.   

 


Example 5

To calculate e(− π / 2) = 0.207879576...

  ln ( (−)   EXP ÷  2  = e(÷2)          
0.207879576   

 


Details

The functions ln, ex and e are on the same key. That is logic as the functions all have to do with the number e.

 


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