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The Power Function In Rpn Mode; The Power Function In Alg Mode - HP 12C Platinum User Manual

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102 Section 7: Mathematics and Number-Alteration Functions
Keystrokes
(RPN mode)
gT

The Power Function in RPN Mode

Pressing q calculates a power of a number — that is, y
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)
2
2\1.4q
1.4
2
2\1.4Þq
–1.4
(–2)
2Þ\3q
3
2\3yq
3
2
or 2
1/3

The Power Function in ALG Mode

To calculate a power of a number, that is, y
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
2
1.4
2
–1.4
(–2)
3
Display
0.88
x
, in ALG mode, do the following:
Keystrokes
(ALG mode)
2q1.4}
2q1.4Þ}
2Þq3}
The fractional portion of the number
previously displayed.
x
. Like the arithmetic
Display
2.64
0.38
–8.00
1.26
Display
2.64
0.38
–8.00

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