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fx-9860GII


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 

 


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

 


Example 2

To calculate i × i = −1

i Z i Z
SHIFT 0 × SHIFT 0 EXE i×i
-1

 


Example 3

To calculate i i = 0.207879576...

i Z i Z
SHIFT 0 SHIFT 0 EXE ii
0.2078795764

 


Example 4

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

Arg i
(  1  + ) EXE Arg (1+i) π

 


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