Texas Instruments TI-83-Plus User Guide

TI-83 Plus GeoMaster™ Application Page 7
8. As you draw the second segment, the last segment of the
triangle is automatically drawn. To complete the triangle,
move the cursor away from the third point.

Draw perpendicular bisectors of two sides of the triangle.
1. Press
V
to display the menu bar across the bottom of
the screen.
2. Select
DRAW
, and then select
Perp Bisector
.
Tip
You can press the number (or
e
plus the letter) that
corresponds to the menu item to select it. For example, to select
Perp Bisector, you can press
e
H
.
3. Use the arrow keys to move the cursor to one side of the
triangle, and then press
¯
. The perpendicular bisector of
that segment is drawn.
Note
You must move the cursor to within two pixels of the triangle
segment to draw the perpendicular bisector.

Texas Instruments TI-83-Plus Specifications

General

Display Type	LCD
Display Resolution	96 x 64 pixels
Power Source	4 AAA batteries
Programming Language	TI-BASIC, Z80 Assembly
Backup Power	CR1616 or CR1620 lithium battery
RAM	24 KB
Processor	Zilog Z80
Weight	7.4 oz (210 g) with batteries
Dimensions	7.3 x 3.5 x 0.9 inches