Function Graphing 3-25
8303FUNC.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:16 PM Printed: 02/19/01 1:35
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.
CALCULATE
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) OperationsCALCULATE
Menu
value