TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App  16 
 
Option Description 
Link Locus Points
 
1:OFF
 
2:On
 
When this option is 
ON
, the points of a locus are linked by way 
of linear interpolation. When this option is 
OFF
, only the points 
are displayed. 
Envelope of Lines
 
1:OFF 
2:On
 
When this option is 
ON
, only the envelope of the line is 
displayed when you construct the locus of a line. When this 
option is 
OFF
, each line of the locus is displayed. 
Display Precision
 
1:FIX 1 
2:FIX 2  
 
©
 
C:FIX 12
 
Determines the display precision for calculations and 
measurements in your constructions. 
To modify this value dynamically in a construction, select the 
number and press 
«
 or 
|
 to increase or decrease the displayed 
precision of that number. 
Length & Area
 
1:PIXELS 
2:MM 
3:CM
 
4:M
 
Determines the default units for measurements in your 
constructions. All values are converted to the selected unit. 
Angle
 
1:Degree 
2:RADIAN
 
Determines the angle units that are displayed and the geometry 
calculator mode. All angles are converted to the selected unit.  
This 
Angle
 preference is independent from the 
Angle
 preference 
in the 
Mode
 dialog box, which applies to other applications. 
Line Equations
 
1:y=ax+b
 
2:ax+by+c=0
 
Determines the format for displayed line equations. 
Circle Equations
 
1:(x
.
a)
2
+(y
.
b)
2
=r
2
 
2:x
2
+y
2
+ax+by+c=0
 
Determines the format for displayed circle equations. 
 
Setting Application Preferences 
(continued)