CHAPTER 4 Calculator Notes for the TI-89, TI-92 Plus, and Voyage ...

Note 4G • Boolean Expressions (continued) TI-89/TI-92 Plus/Voyage 200
For 3 x 1 the defined function is 4 x, and for 1 x 2 the
defined function is 2 x 2 .
Note 4H • Drawing Segments
[15.8, 15.8, 1, 7.6, 7.6, 1]
On the Graph screen you can draw an overlay on top of the graph.
Follow these steps to draw a segment:
a. Press 2nd [F7] (Pen) 3:Line. (On a TI-92 Plus or a Voyage 200, press F7 .)
b. Arrow to one endpoint of the segment you want and press ENTER .
c. Arrow to the other endpoint and press ENTER again.
Pressing ENTER twice ends one segment and begins another at the same
point, so you can make a closed figure.
[15.8, 15.8, 1, 7.6, 7.6, 1]
[15.8, 15.8, 1, 7.6, 7.6, 1] [15.8, 15.8, 1, 7.6, 7.6, 1]
You can also draw segments by entering instructions into the Home screen.
To draw a segment between (4, 1) and (5, 3), enter Line 4,1,5,3. Find Line
in the catalog or type it.
[15.8, 15.8, 1, 7.6, 7.6, 1]
To erase all drawings, on the Graph screen press 2nd [F4] (Regraph). To erase
part of a drawing, on the Graph screen press 2nd [F7] (Pen) 2:Eraser.
Discovering Advanced Algebra Calculator Notes for the Texas Instruments TI-89, TI-92 Plus, and Voyage 200 CHAPTER 4 39
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