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