Function Graphing 3.25
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
PM Page 25 of 28
To display the CALCULATE menu, press y ãCALCä. Use the
items on this menu to analyze the current graph functions.
CALCULAT
E
1: value Calculates a function Y value for a given X.
2: zero Finds a zero (x-intercept) of a function.
3: minimum Finds a minimum of a function.
4: maximum Finds a maximum of a function.
5: intersect Finds an intersection of two functions.
6: dy/dx Finds a numeric derivative of a function.
7: ‰f(x)dx Finds a numeric integral of a function.
value evaluates one or more currently selected functions for a
specified value of
X.
Note: When a value is displayed for X, press ‘ to clear the
value. When no value is displayed, press ‘ to cancel the value
operation.
To evaluate a selected function at X, follow these steps.
1. Select 1:value from the CALCULATE menu. The graph is
displayed with
X= in the bottom-left corner.
2. Enter a real value, which can be an expression, for X
between Xmin and Xmax.
3. Press Í.
The cursor is on the first selected function in the Y= editor at the
X value you entered, and the coordinates are displayed, even if
CoordOff format is selected.
To move the cursor from function to function at the entered X
value, press } or †. To restore the free-moving cursor, press
| or ~.
Using the CALC (Calculate) Operations
CALCULATE
Menu
value
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