Texas Instruments TI InterActive! Getting Started Manual page 23

Resetting all
variables by
inserting a math
section break
TIP: Math Section Break
is on the Insert menu.
Rules for naming
variables
At times, the persistence of variables can create a problem.
Suppose, for example, that you want to change the expression
stored in for use in a different equation.
num
Variable names that you create:
Can use 1 to 32 characters consisting of letters and digits.
This includes Greek letters (but not ), accented letters, and
international letters.
– Do not use spaces.
–
The first character cannot be a digit.
Can use either uppercase or lowercase letters. The names
, ,
AB22 Ab22 aB22
Cannot be the same as a preassigned name. Preassigned
names include:
–
Built-in functions, such as
refer to the Functions and Instructions section of the
online help.
Inserted math section
break shows the resetting
effect on the math flow.
, and all refer to the same variable.
ab22
. For a list of functions,
abs( )
Getting Started with TI InterActive! 23