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

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File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 41 of 275
Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm
Section 3
Basic Financial Functions
The Financial Registers
In addition to the data storage registers discussed on page 27, the hp 12c
platinum has five special registers in which numbers are stored for financial
calculations. These registers are designated n, i, PV, PMT, and FV. The first five
keys on the top row of the calculator are used to store a number from the display
into the corresponding register, to calculate the corresponding financial value and
store the result into the corresponding register, or to display the number stored in
the corresponding register.
*
Storing Numbers into the Financial Registers
To store a number into a financial register, key the number into the display, then
press the corresponding key (
n
,
¼
,
$
,
P
, or
M
).
Displaying Numbers in the Financial Registers
To display a number stored in a financial register, press
:
followed by the
corresponding key.
†
*
Which operation is performed when one of these keys is pressed depends upon the last
preceding operation performed: If a number was just stored into a financial register (using
n, ¼, $, P, M, gA, or gC), pressing one of these five keys calculates the
corresponding value and stores it into the corresponding register; otherwise pressing one of
these five keys merely stores the number from the display into the corresponding register.
†
It’s good practice to press the corresponding key twice after :, since often you may want
to calculate a financial value right after displaying another financial value. As indicated in
the preceding footnote, if you wanted to display FV and then calculate PV, for example, you
should press :MM$. If you didn’t press M the second time, pressing $ would
store FV in the PV register rather than calculating PV, and to calculate PV you would have to
press $ again.

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