Casio CFX-9850G PLUS Complex Numbers Guide

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AK3(CPLX)2(Abs)
(d+e1(i))w
(Calculation of absolute value)
AK3(CPLX)3(Arg)
(d+e1(i))w
(Calculation of argument)
• The result of the argument calculation differs in accordance with the current
angle unit setting (degrees, radians, grads).
kk
kk
k Conjugate Complex Numbers [OPTN]-[CPLX]-[Conj]
A complex number of the form a + bi becomes a conjugate complex number of the
form a – bi.
Example To calculate the conjugate complex number for the complex
number 2 + 4i
AK3(CPLX)4(Conj)
(c+e1(i))w
kk
kk
k Extraction of Real and Imaginary Parts
[OPTN]-[CPLX]-[ReP]/[lmP]
Use the following procedure to extract the real part a and the imaginary part b
from a complex number of the form a + bi.
Example To extract the real and imaginary parts of the complex number
2 + 5i
AK3(CPLX)5(ReP)
(c+f1(i))w
(Real part extraction)
AK3(CPLX)6(ImP)
(c+f1(i))w
(Imaginary part extraction)
4 - 2 Performing Complex Number Calculations

Casio CFX-9850G PLUS Specifications

General

Display Type	LCD
Display Size	128 x 64 pixels
Graphing Capability	Yes
Programming	Yes, BASIC-like language
Memory	32 KB
Power Source	4 AAA batteries