Texas Instruments Titanium TI-89 User Manual

Previews 87
learn how to enter a function, produce a graph of the function, trace a curve, find a
minimum point, and transfer the minimum coordinates to the Home screen.
Explore the graphing capabilities of the TI-89 Titanium by graphing the function
y=(|x
2
N3|N10)/2.
Steps and keystrokes Display
1. Display the Y= Editor.
Press 8 #
2. Enter the function
(abs(x
2
N3)N10)/2.
The screen shot shows the “pretty print”
display at
y1=.
Press c ½ A ¸ X Z 2 | 3 d
| 1 0 d e 2 ¸
3. Display the graph of the function.
Select
6:ZoomStd by pressing 6 or by
moving the cursor to
6:ZoomStd and
pressing ¸.
Press „ 6
entry line

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)