Texas Instruments TI-84 Plus Guide Book

Chapter 2: Math, Angle, and Test Operations 78
angle(a+bi) returns tan
L1
(b/a).
angle(re^(qi)) returns q, where Lp<q<p.
abs(
abs(abs(
abs(
abs( (absolute value) returns the magnitude (modulus),
, of a complex
number or list of complex numbers.
abs(a+bi) returns
.
abs(re^(qi)) returns r (magnitude).
4Rect
RectRect
Rect
4
Rect (display as rectangular) displays a complex result in rectangular form. It is valid
only at the end of an expression. It is not valid if the result is real.
complex result8Rect returns a+bi.
22imag+real()
a2 b2+()

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-