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Root Mean Square - HP -22S Owner's Manual

Scientific calculator.
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511NPUTI
Y=2.36e8
Stores
T,
calculates
Y.
Part 2:
What applied voltage is required in order to attain 4 V across
the capacitor after 5 seconds? (Solve for F-the voltage applied to the
circuit
and
the final voltage across the capacitor.)
.1
SOLVE
1
{F}
411NPUT
1
1 INPUT
1
1 INPUT
1
I
INPUT
1
Y?2.36e8
I
?e.eeee
K?-e.leee
T?5.eeee
F=le.1660
Root Mean Square
Selects F, prompts for
Y.
Retains previous I,
K,
and
T,
calculates F.
The following equation uses the statistics registers to calculate the
root
mean square,
or quadratic mean, of a set of numbers:
R=SQRT(I,,2+n)
where
R =
the root mean square.
Example:
Calculate the root mean square of the data 3, 4, 5, 6, 6,
7, 9.
Keys:
312:+
14
CEJ
5
1 2:+ 1
6
1 2:+ 1
6
1 2:+ 1
7
1 2:+ 1
9
1 2:+1
Display:
n=7.eeee
Description:
Clears the statistics
registers.
Enters the statistics
data.
If
necessary, make the root mean square equation the present equa-
tion. Then:
R=6.eeee
108
7: The Equation Library
Calculates the root
mean square.

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