Texas Instruments TI-89 - Page 254

Chapter 15: Data/Matrix Editor 237
15DATAMA.DOC TI-89/TI-92 Plus: Data/Matrix Editor (English) Susan Gullord Revised: 02/23/01 1:10 PM Printed: 02/23/01 2:17 PM Page 237 of 16
Chapter 15:
Data/Matrix Editor
Preview of the Data/Matrix Editor....................................................... 238
Overview of List, Data, and Matrix Variables..................................... 239
Starting a Data/Matrix Editor Session................................................. 241
Entering and Viewing Cell Values ........................................................ 243
Inserting and Deleting a Row, Column, or Cell.................................. 246
Defining a Column Header with an Expression................................. 248
Using Shift and CumSum Functions in a Column Header................ 250
Sorting Columns ..................................................................................... 251
Saving a Copy of a List, Data, or Matrix Variable .............................. 252
The Data/Matrix Editor serves two main purposes.
¦
This chapter describes how to use the Data/Matrix Editor to
create and maintain a list, matrix, or data variable.
¦ Chapter 16 describes how to use the Data/Matrix Editor to
perform statistical calculations and graph statistical plots.
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