Texas Instruments TI-89 Titanium Short User Manual page 244

Shade
CATALOG
expr1
Shade ,
Displays the Graph screen, graphs
expr2
,
. (
expr2
use as the independent variable.)
x
and
xlow
boundaries for the shading. Valid inputs are
between
.
xmax
pattern
1 = vertical (default)
2 = horizontal
3 = negative-slope 45¡
4 = positive-slope 45¡
patRes
patterns:
1= solid shading
2= 1 pixel spacing (default)
3= 2 pixels spacing
©
10= 9 pixels spacing
Note: Interactive shading is available on the
Graph screen through the
Automatic shading of a specific function is
available through the
not valid in 3D graphing mode.
238
expr2 xlow xhigh pattern
, [ ], [ ], [
and shades areas in which
and must be expressions that
expr1 expr2
, if included, specify left and right
xhigh
and . Defaults are
xmin xmax
specifies one of four shading patterns:
specifies the resolution of the shading
Shade
instruction.
Style
patRes
], [ ] In the
and
expr1
Shade cos(x),sin(x) ¸
is less than
expr1
and
xmin
@
H
ClrDraw ¸
Shade cos(x),sin(x),0,5 ¸
@
H
ClrDraw ¸
instruction.
Shade cos(x),sin(x),0,5,2 ¸
is
Shade
@
H
ClrDraw ¸
Shade cos(x),sin(x),0,5,2,1
¸
Appendix A: Functions and Instructions
viewing window:
ZoomTrig
"
¥ "
"
¥ "
"
¥ "
Done
Done
Done