Texas Instruments TI-83-Plus User Guide

TI-83 Plus GeoMaster™ Application Page 8
4. Use the arrow keys to move the cursor to another side of the
triangle, and then press
¯
. The perpendicular bisector of
that segment is drawn.

Find the intersection point of the perpendicular bisectors.
1. Press
V
to display the menu bar.
2. Select
DRAW
, and then select
Intersection
.
3. Use the arrow keys to move the cursor to one perpendicular
bisector, and then press
¯
.

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