Texas Instruments TI-89, TI-92

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 ...}

,2,3,4,3,4,6

}

!L2

{1 2 3 ...}

PowerReg L

,L2

Done

owStat

Regeq(x)"y1(x) ¸Done

NewP

,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

Prgm