Texas Instruments PLUS TI-89 - Manual (Page 512)

Appendix A: Functions and Instructions 495
8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 495 of 132
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
1 Not available in Sequence, 3D, or Diff Equations graph mode.
2 Not available in 3D graph mode.
3 Applies only to 3D graph mode.
4 Applies only to Sequence graph mode.
5 Applies only to Diff Equations graph mode.