Casio CFX-9950GB PLUS Calculations Manual - Page 8

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Casio CFX-9950GB PLUS Calculations Manual

3-4 Integration Calculations

To perform integration calculations, first display the function analysis menu and
then input the values in one of the formulas shown below.
Gauss-Kronrod Rule
Simpson's Rule
As shown in the illustration above, integration calculations are performed by
calculating integral values from
f (x) > 0
illustration.
k Changing Integration Calculation Methods
This calculator can use either Gauss-Kronrod Rule or Simpson's Rule to perform
P.6
integration calculations. To select a method, display the set up screen and select
either "Gaus" (for Gauss-Kronrod Rule) or "Simp" (for Simpson's Rule) for the
Integration item.
All of the explanations in this manual use Gauss-Kronrod Rule.
60
4( dx) f(x) ,
f(x), a,
,
b
tol)
4( dx) f(x) ,
f(x), a, b, n)
*. This in effect calculates the surface area of the shaded area in the
f (x) < 0
a
* When
on
values (surface area below the
a
,
b
,
tol
)
Tolerance
End point
Start point
b
f(x)dx
a
Area of
a
,
b
,
n
)
Number of divisions (value for
n
End point
Start point
b
n
f(x)dx, N = 2
a
a
b
to
for the function
<
x
<
b
, the surface area calculation produces negative
x
-axis).
[OPTN]-[CALC]-[ dx]
b
f(x)dx
is calculated
a
is an integer from 1 through 9)
y = f (x)
where
n
n
in N = 2
,
<
<
a
x
b
, and