Texas Instruments PLUS TI-89 - Manual (Page 498)

Appendix A: Functions and Instructions 481
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 481 of 132
PopUp CATALOG
PopUp itemList , var
Displays a pop-up menu containing the
character strings from
itemList , waits for you
to select an item, and stores the number of
your selection in
var .
The elements of itemList must be character
strings: { item1String , item2String ,
item3String , ...}
If var already exists and has a valid item
number, that item is displayed as the default
choice.
itemList must contain at least one choice.
PopUp
{"1990","1991","1992"},var1
¸
PowerReg MATH/Statistics/Regressions menu
PowerReg list1 , list2 [ , [ list3 ] [, list4 , list5 ] ]
Calculates the power regression and updates
all the system statistics variables.
All the lists must have equal dimensions
except for
list5 .
list1 represents xlist.
list2 represents ylist.
list3 represents frequency.
list4 represents category codes.
list5 represents category include list.
Note: list1 through list4 must be a variable
name or c1–c99 (columns in the last data
variable shown in the Data/Matrix Editor).
list5 does not have to be a variable name and
cannot be c1–c99.
In function graphing mode:
{1,2,3,4,5,6,7}! L1 ¸
{1 2 3 ...}
{1,2,3,4,3,4,6}! L2 ¸
{1 2 3 ...}
PowerReg L1,L2 ¸ Done
ShowStat ¸
¸
Regeq(x) "y1(x) ¸ Done
NewPlot 1,1,L1,L2 ¸ Done
¥ %
Prgm CATALOG
Prgm
©
EndPrgm
Required instruction that identifies the
beginning of a program. Last line of program
must be
EndPrgm .
Program segment:
:prgmname()
:Prgm
:
:EndPrgm