HP (Hewlett-Packard) Calculator HP 12C Financial Calculator User Manual

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102 Section 7: Mathematics and Number-Alteration Functions
File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 102 of 275
Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm
The Power Function in RPN Mode
Pressing
q
calculates a power of a number — that is, y
x
. Like the arithmetic
function
+
,
q
requires two numbers:
1. Key in the base number (which is designated by the y on the key).
2. Press \ to separate the second number (the exponent) from the first (the
base).
3. Key in the exponent (which is designated by the x on the key).
4. Press q to calculate the power.
To Calculate
Keystrokes
(RPN mode)
Display
2
1.4
2
\
1.4
q
2.64
2
–1.4
2
\
1.4
Þq
0.38
(–2)
3
2
Þ\
3
q
–8.00
3
2
or 2
1/3
2
\
3
yq
1.26
The Power Function in ALG Mode
To calculate a power of a number, that is, y
x
, in ALG mode, do the following:
1. Key in the base number (which is designated by the y on the key).
2. Press q and key in the exponent (which is designated by the x on the key)
3. Press } to calculate the power.
To Calculate
Keystrokes
(ALG mode)
Display
2
1.4
2
q
1.4
}
2.64
2
–1.4
2
q
1.4
Þ}
0.38
(–2)
3
2
Þq
3
}
–8.00
3
2
or 2
1/3
2
q
3
y}
1.26

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