89
Chapter 4: Graphing Features
8
∫
dx
Calculates the numerical integral of equation and display it on a graph.
Example
1. Enter the graph equation.
Y1 =
–
x
2
+
5.
2. Press
@
k
8
.
3. Move the cursor to the point of
lower and press
E
.
• The line is drawn between the
point of lower and X axis.
4. Move the cursor to the point of
upper and press
E
.
• The calculation result is
displayed and shaded on the
graph.
Note: In the step 3 and 4, it is also possible to input the X value and
press
E
.