Texas Instruments TI-80 Calculator User Manual


 
xii Introduction
A pixel (picture element) is a square dot on the TI
-
80 display.
The TI
-
80 display is 64 pixels wide and 48 pixels high.
On the TI
-
80, real numbers are individual decimal or fraction
values.
A value is a single decimal or fraction number or a list of
decimals or fractions.
A variable is the name given to a location in memory in which
a value, an expression, a list, or another named item is stored.
Pixel
Real Number
Value
Variable