HP 12c Owners Manual

 
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  Appendix F 
United Kingdom Calculations 
The calculations for most financial problems in the United Kingdom are identical to 
the calculations for those problems in the United States — which are described 
earlier in this handbook. Certain problems, however, require different calculation 
methods in the United Kingdom than in the United States, even though the...

202  Appendix F: United Kingdom Calculations 
 
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Annual Percentage Rate (APR) Calculations 
In the United Kingdom, the calculation of the Annual Percentage Rate of Charge 
(APR) in accordance with the United Kingdom Consumer Credit Act (1974) differs 
from the calculation of the APR in the United States. Unlike the practice in the 
United States, where the APR can be calculated...

 
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Function Key Index 
General 
; Power on /off key 
(page 16).  
f Shift key. Selects 
alternate function in gold 
above the function keys 
(page 16). Also used in 
display formatting 
(page 71). 
g Shift key. Selects 
alternate function in blue 
on the slanted face of the 
function keys (page 16).
CLEARX after f, g, 
?, : or i, 
cancels that key 
(page 18). 
fCLEARX also...

204  Function Key Index 
 
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Financial 
CLEAR G Clears 
contents of financial 
registers (page 33). 
× Sets payment 
mode to Begin for 
compound interest 
calculations involving 
payments (page 37). 
 Sets payment 
mode to End for 
compound interest 
calculations involving 
payments (page 37). 
Ï Calculates simple 
interest (page 33). 
w Stores or computes 
number of periods in...

 Function Key Index  205 
 
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Ö Computes mean 
(average) of x-values and 
y-values using 
accumulated statistics 
(page 77). 
 Computes weighted 
average of y-(item) and 
x-(weight) values using 
accumulated statistics 
(page 81). 
v Computes sample 
standard deviations of x- 
and y-values using 
accumulated statistics 
(page 79). 
R Linear estimate 
(X-register), correlation...

 
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Programming Key Index 
s
 Program/Run. Toggles into and out of Program mode. Automatically sets 
program to line 00 when returning to Run mode (page 86)
. 
N
 Memory map. Describes the current allocation of memory; the number of lines 
allotted to program memory and the number of available data registers (page 
93)
. 
 
Program Mode  Run Mode 
In Program mode, function...

 Programming Key Index  207 
 
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Program Mode  Run Mode 
Active Keys: 
 
 
 
 
i Go to. Followed by a 
decimal point and a 
two-di
git number, positions 
calculator to that line in 
program memory. No 
instructions are executed 
(page 95) 
 
Ç Single step. Displays 
line number and contents 
of next program memory 
line. If held down, 
displays line number and 
contents of all...

 
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Subject Index 
A 
, 12, 54, 172 
Adding instructions, 114–19 
Advance payments, 151, 156 
Amortization, 38, 54–56, 186 
Annual interest rate, 39 
Annual Percentage Rate, 52–53, 
124–26, 202 
Annuities, 36 
Annuities, deferred, 134–35 
Annuity due, 37–38 
Appreciation, 38 
APR. See Annual Percentage Rate 
Arithmetic calculations with constants, 
75, 177 
Arithmetic...

 Subject Index 209 
 
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Compound interest, 39–53, 186 
Compound interest calculation, 11 
Compounding periods, 34, 39 
Conditional branching, 107–8 
Conditional test instructions, 107 
Constants, arithmetic calculations 
with, 177 
Constants, arithmetic calculations 
with, 75 
Continuous compounding, 162, 191 
Continuous effective rate, 162 
Continuous memory, 70 
Continuous...

210 Subject Index 
 
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Interest, simple, 33 
Internal rate of return, 57 
Internal rate of return, calculating, 
63 
Internal rate of return, modified, 148 
Interrupting a program, 97 
IRR, 57, 148 
K 
Keyboard, 16 
L 
, 74 
LAST X register, 70 
Leasing, 151 
Linear estimation, 80 
Logarithm, 83 
Looping, 103 
Low-power indicator, 16 
M 
, 172 
Mantissa, 18, 73 
Mantissa Display...