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Performing a Calculation by Assigning a Value to
the Registered Defining Equation
Example 2: To assign the value x = 3 to f(x), which you registered in
Example 1
(Continuing from Example 1)
1. Press
, and then select [f(x)].
• This inputs "f(".
2. Assign a value of 3 and then execute the calculation.
3
Registering a Composite Function
Example 3: To insert f(x) defined in Example 1 into g(x) in order to register
g(x) = f(x) × 2 - x
(Continuing from Example 1)
1. Press
, and then select [Define g(x)].
• This displays the g(x) equation registration screen.
2. Input f(x) × 2 - x.
* 2
* Pressing while the g(x) equation registration screen is displayed,
the only menu item that appears is [f(x)]. In the same way, pressing
while the f(x) equation registration screen is displayed, the only menu
item that appears is [g(x)].
3. Press
.
•
This registers the equation you input and returns to the screen
displayed before you started this operation with step 1.
Note
• The operation for assigning a value to x of g(x) and calculating the result is the same
as that under "Performing a Calculation by Assigning a Value to the Registered
Defining Equation" (page 52). However, note that instead of selecting [f(x)] in step 1,
you should select [g(x)].
• In the operation of Example 3, you input f(x) into the defining equation of g(x).
Conversely, you can also input g(x) into the f(x) defining equation. However, do not
52
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