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HP 38g Graphing Calculator User Manual

Page 53

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Complex-

Number

Functions

These functions are for complex numbers only. You can also

use complex numbers with all trigonometric and hyperbolic

functions, and with some real-number and keyboard

functions. Enter complex numbers in the form

(x,y),

where x

is the real part and y is the imaginary part.

ARC

Argument. Finds the angle defined by a complex number.

Inputs and outputs use the current angle format in Modes.

ARG{

i r , 0 )

)

CONJ

Complex conjugate. Conjugation is the negation (sign reversal)
of the imaginary part of a complex number.

CONJ(

l x , y ) }

IM

Imaginary part, y, of a complex number, (x,y).

IM

((x,y))

RE

Real part

x,

of a complex number,

(x,y).

RE

((X,y))

Mathematical Calculations 2-17