Integration Calculation - Casio fx-3650P II User Manual

• When executing a coordinate conversion function inside of a calculation expression, the
calculation is performed using the first value produced by the conversion (
value).
'
Example: Pol (
k
Integration Calculation and Differential Calculation
A Integration Calculation
Your calculator performs integration using the Gauss-Kronrod method.
Syntax and Input
∫
f x a b tol
( ( ), , , )
f x
( ): Function of X (Input the function used by variable X.)
a
: Lower limit of region of integration
b
: Upper limit of region of integration
tol
: Error tolerance range
• This parameter can be omitted. In that case, a tolerance of 1 × 10
e
∫
x
Example: In( ) = 1
1
fIa0 (X) ),1,aI (
A Differential Calculation
Your calculator approximates the derivative based on the central difference method.
Syntax and Input
d dx f x a tol
/ ( ( ), ,
f x
( ): Function of X (Input the function used by variable X.)
a
: Input value of point (differential point) of desired differential coefficient
tol
: Error tolerance range
• This parameter can be omitted. In that case, a tolerance of 1 × 10
Example: To obtain the derivative at point
A Integration and Differential Calculation Precautions
• Integration and differential calculations can be performed in the COMP Mode and PRGM
Mode (run mode: COMP) only.
• The following cannot be used in
: ∫,
tol d/dx
or .
• When using a trigonometric function in
'
2, 2 ) + 5 = 2 + 5 = 7
)
1f (
f x
(
= π 2 for the function
x
) sa0 (X) ),
d dx
/
1e (π) /2)E
): Pol, Rec. The following cannot be used in
f x
( ), specify Rad as the angle unit.
E-21
∫ (
I n (
) )E
e
y x
= sin( ) (Angle Unit: Rad)
(
d/ dx
r x
-value or -
–5
is used.
X ) , 1, e )
1
–10
is used.
π
÷ 2
( ) )
s i n X ,
0
f x a b
( ), , ,