Texas Instruments TI-89 Titanium User Manual

Additional Graphing Topics 476
Drawing a Point or a Freehand Line
From the Graph screen:
Note: When drawing a freehand line, you can move the cursor diagonally.
Note: If you start drawing on a white pixel, the pencil draws a black point or line. If you
start on a black pixel, the pencil draws a white point or line (which can act as an eraser).
1. 2 ‰
and select
1:Pencil.
2. Move the cursor to the applicable
location.
To draw a: Do this:
Point (pixel-sized)
Press ¸.
Freehand line
Press and hold ¤, and move the cursor to draw
the line.
After drawing the point or line, you are still in
Pencil mode.
• To continue drawing, move the cursor to
another point.
• To quit, press N.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches