Texas Instruments TI-83 Guide Book

2-18 Math, Angle, and Test Operations
8302MATH.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:12 PM Printed: 02/19/01 2:27
PM Page 18 of 26
To display the
MATH CPX
menu, press
 ~ ~
.
MATH NUM CPX PRB
1: conj(
Returns the complex conjugate.
2: real(
Returns the real part.
3: imag(
Returns the imaginary part.
4: angle(
Returns the polar angle.
5: abs(
Returns the magnitude (modulus).
6:
4
Rect
Displays the result in rectangular form.
7:
4
Polar
Displays the result in polar form.
conj( (conjugate) returns the complex conjugate of a
complex number or list of complex numbers.
conj(
a
+
b
i
) returns
aNb
i
in a+b
i
mode.
conj(
r
e^(
q
i
)) returns
r
e^(
Lq
i
) in re^
q
i
mode.
real( (real part) returns the real part of a complex number
or list of complex numbers.
real(
a
+
b
i
) returns
a
.
real(
r
e^(
q
i
)) returns
r
ä
cos
(
q
).
imag( (imaginary part) returns the imaginary (nonreal) part
of a complex number or list of complex numbers.
imag(
a
+
b
i
) returns
b
.
imag(
r
e^(
q
i
)) returns
r
ä
sin( q )
.
MATH CPX (Complex) Operations
MATH CPX Menu
conj(
real(
imag(

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators