Drawparm Catalog; Drawpol Catalog; Drawslp Catalog; Dropdown Catalog - Texas Instruments TITANIUM TI-89 User Manual

DrawParm
CATALOG
expression1
DrawParm
tmin tmax
[, ] [,
Draws the parametric equations
expression2
Defaults for
settings for the Window variables
and
tstep
window settings. If the current graphing mode is
not parametric, these three arguments are
required.
Note: Regraphing erases all drawn items.
DrawPol
CATALOG
expression
DrawPol
Draws the polar graph of
the independent variable.
Defaults for q
settings for the Window variables q
and q
step
window settings. If the current graphing mode is
not polar, these three arguments are required.
Note: Regraphing erases all drawn items.
DrawSlp
CATALOG
x1 y1
DrawSlp ,
Displays the graph and draws a line using the
formula
Note: Regraphing erases all drawn items.
DropDown
CATALOG
titleString
DropDown
varName
Displays a drop-down menu with the name
titleString
item2String
2:
within a
If
varName
the range of items, the referenced item is
displayed as the default selection. Otherwise, the
menu's first item is the default selection.
When you select an item from the menu, the
corresponding number of the item is stored in the
variable
creates
Appendix A: Functions and Instructions
expression2
,
tstep
] [, ]
, using as the independent variable.
t
, , and
tmin tmax tstep
. Specifying values does not alter the
min max step
[, q ] [, q ] [, q
expression
, q , and q
min max step
. Specifying values does not alter the
slope
,
.
yì y1=slopeø (xì x1)
item1String item2String
, { ,
and containing the items
, and so forth.
DropDown
block.
Dialog...EndDlog
already exists and has a value within
. (If necessary,
varName
DropDown
varName .)
In function graphing mode and
window:
DrawParm tù cos(t),tù sin(t),0,10,.1
and
expression1
¸
are the current
, ,
tmin tmax
In function graphing mode and
]
window:
, using q as
DrawPol 5ù cos(3ù q),0,3.5,.1 ¸
are the current
, q
,
min max
In function graphing mode and
window:
DrawSlp 2,3,ë 2 ¸
See
, ...}, Dialog
,
item1String
1:
must be
ZoomStd
ZoomStd
ZoomStd
program listing example.
813