Texas Instruments TI-80 - Chapter 1: Operating the TI-80

Operating the TI-80 1-1
This chapter describes the TI
.
80 and provides general information about its
operation.
Turning the TI
.
80 On and Off
.......................
1-2
Setting the Display Contrast
........................
1-3
The Display
......................................
1-4
Entering Expressions and Instructions
...............
1-6
The Edit Keys
....................................
1-8
Setting Modes
....................................
1-9
TI
.
80 Modes
......................................
1-10
Variable Names
...................................
1-12
Storing and Recalling Variable Values
................
1-13
Last Entry
........................................
1-14
Last Answer
......................................
1-16
TI
.
80 Menus
......................................
1-17
The
VARS
and
Y
.
VARS
Menus
......................
1-19
EOS (Equation Operating System)
..................
1-20
Error Conditions
..................................
1-22
Chapter 1: Operating the TI-80
Chapter
Contents