Integration Calculations - Casio fx-FD10 Pro User Manual

k Integration Calculations
To perform integration calculations, first display the function analysis menu and then input the
values using the syntax below.
K4(CALC)4(∫
a
( : start point,
∫ ∫
( f(x), a, ( f(x), a,
As shown in the illustration above, integration calculations are performed by calculating
integral values from
effect calculates the surface area of the shaded area in the illustration.
Example 1
Input the function
Input the start point and end point.
Input the tolerance value.
Example 2
Note the following points to ensure correct integration values.
) , ,
dx f x a
) (
b tol
: end point, : tolerance)
∫ ∫
b b
tol) ⇒ tol) ⇒
, ,
b b f(x)dx f(x)dx
a a
a b
through for the function
To perform the integration calculation for the function shown below,
with a tolerance of "
∫ ∫
5 5
2 2
(2x (2x + 3x + 4) dx + 3x + 4) dx
1 1
f x
( ).
AK4(CALC)4(∫
b,f,
b!a(CATALOG)a1(A-E)5(E)
c~c(EXP)w-e
!/( ) ) w
When the angle unit setting is degrees, trigonometric function
integration calculation is performed using radians (Angle unit = Deg)
!/( ) )
,
b tol
Area of
y f x
= ( ) where
tol
" = 1 – 4
E
dx
)ca5(U-Z)4(X)x+d4(X)+e,
Examples Calculation Result Display
3-24
[OPTN]-[CALC]-[
∫
b
f(x)dx
is calculated
a
< < ) > 0. This in
a x b f x
, and (
∫
dx
]