Integration Calculations - Casio Algebra FX 2.0 PLUS User Manual

k k k k k Integration Calculations
To perform integration calculations, first display the function analysis menu and then input the
values in the formula shown below.
K4(CALC)d ( ∫ dx) f(x) ,
∫
( f(x), a,
, tol) ⇒
b
As shown in the illustration above, integration calculations are performed by calculating
integral values from
in effect calculates the surface area of the shaded area in the illustration.
# If f (x) < 0 where a a < x < b, the surface area
calculation produces negative values (surface
area × – 1).
2-5-7
Numerical Calculations
∫
b
f(x)dx
a
a b
through for the function
20010101
a b tol
, , )
a b
tart point, end point,
( : s :
∫
b
f (x)dx
Area of
a
y = f (x) a x
where
< <
[OPTN]-[CALC]-[ ∫ dx]
tol
tolerance)
:
is calculated
f (x) > 0
b
, and . This