HP 12c Platinum User Manual

Section 3: Basic Financial Functions 67
File name: HP 12cpt_user's guide_English_110608.DOC Page: 71 of 285
Printed Date: 2009/1/13 Dimension: 14.8 cm x 21 cm
Example 2:
A 42-month loan of $3,950 for a used car began accruing interest
on July 19, 2004, so that the first period began on August 1, 2004. Payments of
$120 are made at the end of each month. Calculate the annual percentage rate
(APR), using the actual number of odd days and simple interest for the odd period.
Keystrokes
(RPN mode)
Display
f
CLEAR
G
Clears financial registers.
?Æ
Turns off the
C
indicator in the
display, so that simple interest will be
used for the odd period.
7.192004
\
7.19
Keys in the date interest begins
accruing and separates it from the
next date entered.
8.012004
8.012004
Keys in the date of the beginning of
the first period.
gÒ
13.00
Actual number of odd days.
30
z
0.43
Divides by the length of a monthly
period to get the fractional part of n.
42
+n
42.43
Adds the fractional part of n to the
number of complete payment
periods, then stores the result in n.
3950
$
3,950.00
Stores PV.
120
ÞP
–120.00
Stores PMT (with minus sign for cash
paid out).
¼
1.16
Periodic (monthly) interest rate.
12
§
13.95
Annual percentage rate (APR).
Keystrokes
(ALG mode)
Display
f
CLEAR
G
Clears financial registers.
?Æ
Turns off the
C
indicator in the
display, so that simple interest will be
used for the odd period.
7.192004
}
7.19
Keys in the date interest begins
accruing and separates it from the
next date entered.

HP 12c Platinum Specifications

General

Digits	10 digits
Battery type	CR2032
Type	Financial
Form factor	Pocket

Weight and Dimensions

Weight	110 g
Dimensions (WxDxH)	79 x 129 x 15 mm