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8–8 Integrating Equations
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
integration calculation decreases by a factor of ten for each additional digit,
specified in the display format.
Example:
Changing the Accuracy.
For the integral of Si(2) just calculated, specify that the result be accurate to
four decimal places instead of only two.
Keys: Display: Description:
z
{
} 4
).
Specifies accuracy to four
decimal places. The uncertainty
from the last example is still in the
display.
9
9
)
Rolls down the limits of
integration from the Z– and
T–registers into the X– and
Y–registers.
{
G
1%2ª%
Displays the current equation.
{
)
X
!!
∫
/)
Calculates the result.
Z
).
Note that the uncertainty is about
1/100 as large as the
uncertainty of the SCI 2 result
calculated previously.
z
{
%
} 4
).
Restores FIX 4 format.
z
{
}
).
Restores Degrees mode.
This uncertainty indicates that the result might be correct to only four decimal
places. In reality, this result is accurate to seven decimal places when
compared with the actual value of this integral. Since the uncertainty of a
result is calculated conservatively, the calculator's approximation in most
cases is more accurate than its uncertainty indicates.