Texas Instruments TI-80 Manual Book page 101

Defining the Independent Variable
The independent variable for a table is the independent variable in the current
graphing mode (X for FUNC mode and T for PARAM mode). You define the
minimum value and the incremental value for the independent variable on the
TABLE SETUP screen.
TABLE SETUP
Screen
TBLMIN and
@TBL
Setting Up a
Table from the
Home Screen or
a Program
To display the
TABLE SETUP
default values are shown below.
(table minimum) defines the initial value for the
TBLMIN
independent variable:
@TBL
(table step) defines the increment for the independent
variable.
To change TBLMIN
blinking cursor. To move between
and 7.
You can also store values to
Home screen or a program. The variable names are on the
VARS TABLE... menu.
To change
TBLMIN
program, begin on a blank line.
1. Enter the value for
2. Press §.
3. Press L to display the
4. Press to select
3
5. Select the table variable (
the variable is copied to the cursor location.
6. Press ¸ to store the value for the table variable.
screen, press 2 #. The
( mode) or
X FUNC
@TBL
and , simply enter the values at the
TBLMIN
TBLMIN and
or @TBL from the Home screen or a
or @TBL
TBLMIN
VARS menu.
TABLE....
TBLMIN
( mode).
T PARAM
, press 8
@TBL
and
@TBL from the
.
or @TBL ). The name of
Tables 6-3