Additional Graphing Topics 458
Graphing Directly from the Home Screen
The
Graph command lets you graph an expression from the Home screen without using
the Y= Editor. Unlike the Y= Editor,
Graph lets you specify an expression in terms of any
independent variable, regardless of the current graphing mode.
2 £
If the expression is already stored to a variable:
1. Display the Y= Editor, highlight the desired function, and
press ¸.
2. Press
2 £. Type the variable name that contains
the expression, and press
¸ twice.
Important: To recall a function variable such as f1(x), type
only f1, not the full function name.
3. Press
¸ to save the recalled expression in the
Y= Editor’s function list.
Note: 2 £ is useful if an expression is stored to a
variable or function that does not correspond to the
Y= Editor, such as a1 or f1(x).
If the expression is in
terms of:
Use the Graph command
as shown in this example:
The native
independent variable
Method Description
Graph 1.25xùcos(x)
For function graphing, x is the native
variable.
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