Texas Instruments Titanium TI-89 User Manual

Basic Function Graphing 304
•Use the ‡ Math toolbar menu to find a zero, minimum, maximum, etc.
Setting the Graph Mode
Setting the Graph ModeSetting the Graph Mode
Setting the Graph Mode
Before graphing y(x) functions, you must select FUNCTION graphing. You may also
need to set the Angle mode, which affects how the TI-89 Titanium graphs trigonometric
functions.
Graph Mode
Graph ModeGraph Mode
Graph Mode
2. Set the Graph mode to
FUNCTION. Refer to “Setting Modes” in Operating the
Calculator.
For graphs that do not use complex numbers, set
Complex Format = REAL.
Otherwise, it may affect graphs that use powers, such as
x
1/3
.
While this module specifically describes
y(x) function graphs, the calculator lets you
select from six Graph mode settings.
1. Press 3 to display the
MODE dialog
box, which shows the current mode
settings.
Graph Mode Setting Description
FUNCTION y(x) functions
PARAMETRIC x(t) and y(t) parametric equations

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)