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Chapter 11: Programming Features
Chapter 13: Programming Features
9. Preinstalled program
There is one preinstalled program ("integral").
Calculating the area between graphs for a given interval
• Enter necessary equations before executing this program.
1. Press
P
A
0
1
.
2. Press
1
to select “
∫
Y1dx”,
2
to select “
∫
Y1-Y2dx” or
3
to select "AREA BETWEEN Y1-Y2" to avoid the surface
cancel each other.
3. Press
1
~
3
to select the first equation, and then
press
1
~
3
to select the second equation, if need.
4. Input a lower value while “LOWER=?” is displayed, then press
E
.
5. Input an upper value while “UPPER=?” is displayed, then press
E
.
The calculation result is displayed with highlighted graph.
6. Press
E
to display the calculation result without the graph.
Errors and calculation ranges
• If “ERROR” is displayed instead of a calculation result, press
E
,
then enter the numeric values again.
• If a screen like the one shown
on the right is displayed during
calculation or after you exit the
program, press
C
.
Please do not press
;
or
'
instead of
C
. The
editing screen will be displayed
if you press
;
or
'
.
Press
#
at this time to exit the
editing screen.
Integral
