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

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e^x

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

SHIFT		e˟e
		ln

 

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Example 1

To calculate e⁰ = 1

SHIFT		e˟e
		ln		e_            0.		0	=		e0                   1.

 

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Example 2

To calculate e¹ = 2.7182…

SHIFT		e˟e
		ln		e_                  0.		1	=		e1                  2.718281828

or show the value directly with

ALPHA		e˟e
		ln		e_                  0.			=		e                    2.718281828

 

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Example 3

To calculate e^π = 23.140…

SHIFT		e˟e		SHIFT		π
		ln				EXP		=		eπ                   23.14069263

 

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Example 4

To calculate ln (e²) = 2

		SHIFT		e˟e
ln				ln	2	=		ln e2              2.

 

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Example 5

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

SHIFT

e˟e

SHIFT

π

ln

(

(−)

EXP

÷

2

=

e(-π÷2)            0.207879576

 

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Details

The functions ln, e^x 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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