fx-9860GII      TI-83

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i

On a Casio calculator you can display the imaginary unit i

		i	Z
SHIFT		0

or as

	CPLX			i
OPTN		F3		F1

or via the CATALOG as

 i 

 

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Example 1

To calculate i² = −1

		i	Z
SHIFT		0			i		x²		EXE		i2
											-1

or as

CPLX

i

OPTN

F3

F1

i

x²

EXE

i2

-1

 

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Example 2

To calculate i × i = −1

i

Z

i

Z

SHIFT

0

×

SHIFT

0

EXE

i×i

-1

 

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Example 3

To calculate i ⁱ = 0.207879576...

i

Z

i

Z

SHIFT

0

^

SHIFT

0

EXE

ii

0.2078795764

 

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Example 4

To calculate arg (1 + i) = ¼π in radians

Arg

i

≣

(

1

+

≣

)

EXE

Arg (1+i)

π

 

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Example 5

To transform the complex number 2 + 4i in rectangular form to 2√5∠1.107148718 in polar form

			i	►r∠θ
2	+	4	≣		≣		2+4i►r∠θ		EXE		2+4i►r∠θ
											2√5∠1.107148718

 

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