Texas Instruments TI-89 Voyage 200, User Manual

Page: 870 / 1008

870 Appendix A: Functions and Instructions
setFold()
CATALOG
setFold(
newfolderName
)
⇒
oldfolderString
Returns the name of the current folder as a string
and sets
newfolderName
as the current folder.
The folder
newfolderName
must exist.
newFold chris
¸
Done
setFold(main)
¸
"chris"
setFold(chris)
!
oldfoldr
¸
"main"
1
!
a
¸
1
setFold(#oldfoldr)
¸
"chris"
a
¸
a
chris\a
¸
1
setGraph()
CATALOG
setGraph(
modeNameString
,
settingString
)
⇒ ⇒ ⇒ ⇒
string
Sets the
Graph
mode
modeNameString
to
settingString
, and returns the previous setting of
the mode. Storing the previous setting lets you
restore it later.
modeNameString
is a character string that specifies
which mode you want to set. It must be one of
the mode names from the table below.
settingString
is a character string that specifies the
new setting for the mode. It must be one of the
settings listed below for the specific mode you
are setting.
setGraph("Graph Order","Seq")
¸
"SEQ"
setGraph("Coordinates","Off")
¸
"RECT"
Note: Capitalization and blank spaces are
optional when entering mode names.
Mode Name Settings
"Coordinates" "Rect", "Polar", "Off"
"Graph Order" "Seq", "Simul"
1
"Grid" "Off", "On"
2
"Axes" "Off", "On" (not 3D graph mode)
"Off", "Axes", "Box" (3D graph mode)
"Leading Cursor" "Off", "On"
2
"Labels" "Off", "On"
"Style" "Wire Frame", "Hidden Surface", "Contour Levels", "Wire and Contour",
"Implicit Plot"
3
"Seq Axes" "Time", "Web", "U1-vs-U2"
4
"DE Axes" "Time", "t-vs-y' ", "y-vs-y' ", "y1-vs-y2", "y1-vs-y2' ", "y1'-vs-y2' "
5
Tip: To type a prime symbol ( ' ), press
2
È .
"Solution Method" "RK", "Euler"
5
"Fields" "SlpFld", "DirFld", "FldOff"
5
“Discontinuity
Detection” “Off’, “On”
6
1
Not available in Sequence, 3D, or Diff Equations graph mode. Also not available in Function graph mode
with “Discontinuity Detection” set to “On.”
2
Not available in 3D graph mode.