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On a Casio calculator you can perform exponentiations

or via the catalog as

 ^ 

 


Example 1

To calculate 23 = 8

 2   3  EXE 23
8

 


Example 2

To enter 00

Ma ERROR
Press:[EXIT]
 0   0  EXE EXIT
00

although it is determined by definition that 00 ≝ 1. Take that as a warning.

 


Example 3

To calculate (−2)4 = 16 where parentheses are required

( (–)  2  )  4  EXE (-2)4
16

as −24 = −16

 2   4  EXE -24
-16

 


Example 4

To calculate 2−1 = 0.5 where you have a negative exponent

 2  (–)  1  EXE 2-1
0.5

or as

x⁻¹ J
 2  SHIFT ) EXE 2-1
0.5

 


Example 5

To calculate eπ = 23.1406…

e x C π
SHIFT ln SHIFT EXP EXE eπ
23.14069263

 


Example 6

To calculate 21 = 2

 2   1  EXE 21
2

 


Example 7

To calculate 20 = 1

 2   0  EXE 20
1

 


Example 8

To calculate 31/2 = 1.7320…

 3   1  ÷  2  EXE 31÷2
3

because after all, you can also calculate that as 3 = 1.7320...

   r
SHIFT x²  3  EXE FD 3
1.732050808

 


Example 9

To calculate

 2   2   3  EXE
256

 


Example 10

To calculate i i = 0.207879576...

i Z i Z
SHIFT 0 SHIFT 0 EXE ii
0.2078795764

 


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