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19990401
Note the following points to ensure correct integration values.
(1) When cyclical functions for integration values become positive or negative for different
divisions, perform the calculation for single cycles, or divide between negative and
positive, and then add the results together.
∫
a
b
f(x)dx =
∫
a
c
f(x)dx + (–
∫
c
b
f(x)dx)
Positive part (
S
)Negative part (
S
)
(2) When minute fluctuations in integration divisions produce large fluctuations in integration
values, calculate the integration divisions separately (divide the large fluctuation areas
into smaller divisions), and then add the results together.
∫
a
b
f(x)dx =
∫
a
x1
f (x)dx +
∫
x1
x2
f (x)dx +.....+
∫
x4
b
f(x)dx
2-5-9
Numerical Calculations
Negative part (S)
Positive
part (S)
#Pressing A during calculation of an integral
(while the cursor is not shown on the display)
interrupts the calculation.
#Always use radians (Rad Mode) as the angle
unit when performing trigonometric
integrations.
# An error (Iteration ERROR) occurs whenever
no solution that satisfies the tolerance value
can be obtained.
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