Texas Instruments TI-83-Plus - Introduction; Conventions Used in this Guide

TI-83 Plus GeoMaster™ Application Page 11
5. Use the arrow keys to move the cursor away from the vertex
point. The circle is completed.

Move a vertex point on the triangle. Notice how the circle,
triangle, and the perpendicular bisectors are affected.
1. Press
s
to exit the Circle tool.
2. Use the arrow keys to move the cursor to a vertex point on
the triangle, and then press
¯
.
Note
Select a vertex point other than the one that you used to create
the circle.