Texas Instruments TI-89 Titanium User Manual page 833

PtText
CATALOG
string x y
PtText , ,
Displays the Graph screen and places the character
string
string
specified (
is positioned with the upper-left corner of its
string
first character at the coordinates.
PxlChg
CATALOG
row col
PxlChg ,
rowList colList
PxlChg ,
Displays the Graph screen and reverses the pixel at
pixel coordinates (
Note: Regraphing erases all drawn items.
PxlCrcl
CATALOG
row col r
PxlCrcl , ,
Displays the Graph screen and draws a
circle centered at pixel coordinates (
with a radius of
If
drawMode
If
drawMode
If
drawMode
circle.
Note: Regraphing erases all drawn items.
See also
Circle
PxlHorz
CATALOG
row drawMode
PxlHorz [,
Displays the Graph screen and draws a horizontal
line at pixel position
If
drawMode
If
drawMode
If
drawMode
on (inverts pixels along the line).
Note: Regraphing erases all drawn items. See also
LineHorz
PxlLine
CATALOG
rowStart
PxlLine ,
Displays the Graph screen and draws a line
between pixel coordinates (
( ,
rowEnd colEnd
If
drawMode
If
drawMode
If
drawMode
on (inverts pixels along the line).
Note: Regraphing erases all drawn items. See also
Line.
830
on the screen at the pixel nearest the
) window coordinates.
x, y
, ).
row col
drawMode
[, ]
row
pixels.
r
= 1, draws the circle (default).
= 0, turns off the circle.
= -1, inverts pixels along the
.
]
.
row
= 1, draws the line (default).
= 0, turns off the line.
= -1, turns a line that is on to off or off to
.
colStart rowEnd colEnd drawMode
, , [,
,
rowStart colStart
), including both endpoints.
= 1, draws the line (default).
= 0, turns off the line.
= -1, turns a line that is on to off or off to
PtText "sample",3,5 ¸
PxlChg 2,4 ¸
@
PxlCrcl 40,80,30,1 ¸
H
PxlCrcl 50,125,40,1 ¸
, )
col
PxlHorz 25,1 ¸
] @
PxlLine 50,15,20,90,1 ¸
H
PxlLine 80,20,30,150,1
) and
¸
Appendix A: Functions and Instructions