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Operating the Calculator 198
• Cannot be the same as a name that is preassigned by the calculator. Preassigned
names include:
- Built-in functions (such as
abs) and instructions (such as LineVert). Refer to the
Technical Reference module.
- System variables (such as
xmin and xmax, which are used to store graph-
related values). Refer to the Technical Reference module for a list.
Examples
ExamplesExamples
Examples
Data Types
Data TypesData Types
Data Types
Variable Description
myvar OK
aOK
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.
DataTypes Examples
Expressions
2.54, 1.25E6, 2
p, xmin/10, 2+3i, (x–2)
2
,
Lists {2 4 6 8}, {1 1 2}
22⁄