Texas Instruments TI-82 User Manual - Page 107
Defining the Variables
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Defining the Variables The independent variable for tables is the independent variable in the current graphing MODE. It is defined on the TABLE SETUP screen. TABLE SETUP Screen To display the TABLE SETUP screen, press y ãTblSetä. TblMin and @Tbl TblMin (table minimum) applies when Indpnt is Auto (when the independent variable is automatically generated). It defines the initial value for the independent variable: X (Func), T (Par), q (Pol), and n (Seq). @Tbl (table step) defines the increment for the independent variable. Note: In Seq MODE, TblMin and @Tbl both must be integers. Indpnt: Auto or Ask You can choose to display a table of values for the independent variable automatically or enter the values one at a time on the table. Auto generates and displays the values when the table is first displayed. Ask displays an empty table and you enter the values. Depend: Auto or Ask You can choose to display the values for the dependent variables automatically or one at a time. Auto calculates and displays all table values when the table is first displayed. Ask displays a table without values for the dependent variables. It calculates and displays a value for a specific location when you press Í. Setting Up a Table from the Home Screen or a Program You can store values to TblMin, @Tbl, and TblZnput from the Home screen or a program. The variable names are on the VARS TABLE menu. TblZnput is a list of the values of the independent variable in the current table. In the program editor, when you press y [TblSet], you can select instructions for IndpntAuto, IndpntAsk, DependAuto, or DependAsk. Tables 7-3