HP (Hewlett-Packard) 12C ユーザーズマニュアル
242 Appendix B: Algebraic Mode (ALG)
File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 242 of 275
Printed Date: 2005/8/1
Printed Date: 2005/8/1
Dimension: 14.8 cm x 21 cm
Percent of Total
To calculate what percentage one number is of another:
1. Calculate the total amount by adding all individual amounts.
2. Key in the number whose percentage equivalent you wish to find.
3. Press Z.
2. Key in the number whose percentage equivalent you wish to find.
3. Press Z.
Example: Last month, your company posted sales of $3.92 million in the U.S.,
$2.36 million in Europe, and $1.67 million in the rest of the world. What
percentage of the total sales occurred in Europe?
Keystrokes
$2.36 million in Europe, and $1.67 million in the rest of the world. What
percentage of the total sales occurred in Europe?
Keystrokes
(ALG mode)
Display
OO
0.00
Clears any pending operations.
3.92+
3.92
Keys in the first number.
2.36+
6.28
Adds the second number.
1.67}
7.95
Adds the third number to get the
total.
2.36
2.36
Keys in 2.36 to find out what
percentage it is of the number in
the display.
Z
29.69
Europe had nearly 30% of the total
sales.
The Power Function
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 q and key in the exponent (which is designated by the x on the key)
3. Press } to calculate the power.
2. Press q and key in the exponent (which is designated by the x on the key)
3. Press } to calculate the power.
Don’t forget to press OO if you are unsure if there are any pending
operations.
operations.
To Calculate
Keystrokes
(ALG mode)
Display
2
1.4
2q1.4}
2.64
2
–1.4
2q1.4Þ}
0.38
(–2)
3
2Þq3}
–8.00
3
2
or 2
1/3
2q3y}
1.26