Texas Instruments TI-89 User Manual

TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App 32
The
Midpoint
tool creates a point at the midpoint of a segment, a
vector, the side of a polygon, or between two points.
1.
Create any object or objects such as
those shown below.
2.
Press
†
and select
3:Midpoint
.
3.
Move the pointer to one of the
following and press
¸
.
A segment. The side of a polygon. Two points (create or select).
midpoints
Creating Midpoints
The
Construction
toolbar menu contains a tool for constructing
the midpoint of a segment.
Creating a Midpoint
Note:
For two points, select
and press
¸
for each
point.

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA