Index - Texas Instruments TI-89 User Manual

Index

—A—
Angle Bisector tool, 31
angle measurement, 47
Angle tool, 47
animating objects, 55
Animation tool, 55
Arc tool, 25
arrow pointer, 68
—B—
basic operations, 3–11
basic points, description, 7
—C—
changing
axes rotation, 15
axes scale and tick marks, 15
numerical values, 61
outline pattern, 58
outline thickness, 57, 58
units for length, area, angles, 16
Check Properties menu, 51
checking
collinearity, 51
parallelism, 51
circle equation format, 16
Circle tool, 24
Clear All, 18
Clear Data View, 59
Collect Data tool, 50
Collinear tool, 51
Comment tool, 61
Compass tool, 24
constraining slope of a line, 21
Construction menu options, 66
construction-pencil pointer, 68
convex polygons, min/max sides, 28
coordinate axes and grid marks, 15
creating
angle bisectors, 31
arcs, 25
circles, 24
comments, 61
compass circles, 24
convex polygons. See creating regular
polygons
intersection points, 20
inverse points, 45
labeled points, 19
lines, 21
loci, 35
macros, 63–65
measurement transfer point, 33, 34
midpoints, 32
numerical values, 61
parallel lines, 30
—C—
(continued)
creating
perpendicular bisectors, 31
perpendicular lines, 29
point on an object, 20
points, 5, 19
polygons, 27
rays, 22
reflections, 43
regular polygons, 28
resultant vectors, 23
segments, 21
star polygons. See creating regular polygons
symmetrical images, 44
triangles, 5, 26
vectors, 22
crossed-lines pointer, 68
cross-hair pointer, 68
Curves & Polygons menu options, 66
—D—
Data View command, 59
Delete command, 18
deleting objects, 7, 18
dependent objects, 7
deselecting objects, 17
Dilate tool, 40
dilating objects
by freehand, 40
using specified factors, 41
Dilation tool, 41
Display menu options, 67
Dotted tool, 58
drag definition, 68
dragging objects, 9, 17
dragging-hand pointer, 68
drawing window, size of, 3
—E—
Equation & Coordinates tool, 48
equation format, circles and lines, 16
examples
angle bisectors, creating \i, 31
angles, measuring, 47
animating objects in geometry, 55
arcs, creating, 25
circles, creating, 24
collecting data, 50
collinearity, checking, 51
comments, creating, 61
deleting objects, 18
dilating objects, 40, 41
equations and coordinates, checking, 48
hiding and showing objects, 57
intersection point, creating, 20
inverse points, creating, 45
labeling objects, 60
Cabri Geometry for the TI.83 / TI.92 Plus 71