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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 L
1
,L2
¸
Done
S
h
owStat
¸
¸
Regeq(x)"y1(x)
¸
Done
NewP
l
ot
1
,
1
,L
1
,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
:
:En
d
Prgm