Using mathematical functions 161
(x+y*i), where x is the real part and y is the imaginary
part.
ARG Argument. Finds the angle defined by a complex number.
Inputs and outputs use the current angle format set in
Modes.
ARG((x+y*i))
Example:
ARG(3+3*i) returns 45 (Degrees mode)
CONJ Complex conjugate. Conjugation is the negation (sign
reversal) of the imaginary part of a complex number.
CONJ((x+y*i))
Example:
CONJ(3+4*i) returns (3-4*i)
IM Imaginary part, y, of a complex number, (x+y*i).
IM ((x+y*i))
Example:
IM(3+4*i) returns 4
RE Real part x, of a complex number, (x+y*i).
RE((x+y*i))
Example:
RE(3+4*i) returns 3
Constants
The constants available from the Math Functions menu
are mathematical constants. These are described in this
section. The HP 39gII has two other menus of constants:
program constants and physical constants. The physical
constants are described further on in this chapter, while
the program constants are described in the programming
chapter.
e Natural logarithm base. Internally represented as
2.71828182846.
e
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