Data Types - Texas Instruments TI-89 Titanium User Manual

• Cannot be the same as a name that is preassigned by the calculator. Preassigned
names include:
- Built-in functions (such as
Technical Reference module.
- System variables (such as
related values). Refer to the Technical Reference module for a list.
Examples
Variable Description
myvar OK
a OK
Log Not OK, name is preassigned to the log function.
Log1 OK
3rdTotal Not OK, starts with a digit.
circumfer Not OK, more than 8 characters.

Data Types

DataTypes
Expressions
Lists
Operating the Calculator
) and instructions (such as
abs
xmin
Examples
2.54, 1.25E6, 2 , xmin/10, 2+3i, (x–2)
p
{2 4 6 8}, {1 1 2}
and , which are used to store graph-
xmax
2
,
). Refer to the
LineVert
2 2 ⁄
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