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19990401
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Example To perform the integration calculation for the function shown
below, with a tolerance of “tol” = 1E - 4
∫
1
5
(2x
2
+ 3x + 4) dx
Input the function f (x).
AK4(CALC)d(∫dx)cvx+dv+e,
Input the start point and end point.
b,f,
Input the tolerance value.
bE-e)
w
uu
uu
u Application of Integration Calculation
•Integrals can be used in addition, subtraction, multiplication and division.
∫
a
b
f(x) dx +
∫
c
d
g(x) dx, etc.
•Integration results can be used in addition, subtraction, multiplication and division, in
functions.
2 ×
∫
a
b
f(x) dx, etc. log (
∫
a
b
f(x) dx), etc.
• Functions can be used in any of the terms ( f (x), a, b, tol) of an integral.
∫
cos 0.5
(sin x + cos x) dx =
∫
(sin x + cos x, sin 0.5, cos 0.5, 1E - 4)
sin 0.5
2-5-8
Numerical Calculations
#In the function f(x), only X can be used as a
variable in expressions. Other variables (A
through Z,
r,
θ
) are treated as constants, and
the value currently assigned to that variable is
applied during the calculation.
#Input of “tol” and closing parenthesis can be
omitted. If you omit “tol,” t he calculator
automatically uses a default value of 1
E-5.
# Integration calculations can take a long time to
complete.
#You cannot use a differential, quadratic
differential, integration, Σ, maximum/minimum
value or Solve calculation expression inside of
an integration calculation term.
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