Shading area
Function | Description (Continued) |
|
|
Intersection | Select Intersection to find the |
| intersection of two graphs nearest |
| the cursor. (You need to have at |
| least two selected expressions in |
| Symbolic view.) Displays the |
| coordinate values and moves the |
| cursor to the intersection. (Uses |
| Solve function.) The resulting x- |
| value is saved in a variable |
| named ISECT. |
|
|
You can shade a selected area between functions. This process also gives you an approximate measurement of the area shaded.
1.Open the Function aplet. The Function aplet opens in the Symbolic view.
2.Select the expressions whose curves you want to study.
3.Press 
to plot the functions.
4.Press 
or 
to position the cursor at the starting point of the area you want to shade.
5.Press 
.
6.Press 
, then select Signed area and press
.
7.Press 
, choose the function that will act as the boundary of the shaded area, and press 
.
8.Press the 
or 
key to shade in the area.
9.Press 
to calculate the area. The area measurement is displayed near the bottom of the screen.
To remove the shading, press 
to
Function aplet |