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54
Procedure Key operation Display
Move to the last date
and calculate.
z
@
M-D-Y 2=[MO]
2-21-2011
Answer: The last date is February 21, 2011.
Percent Change/Compound Interest Cal-
culations
Using percent change/compound interest calculations, you can
determine the values of percentage rates of change (increase or
decrease) or interest rates compounding periodically.
Variables used in percent change/compound interest
calculations
Variable Description Default value
OLD PRC (PV) Old price (old value) 0
NEW PRC (FV) New price (new value) 0
% (I/Y) Percent change 0
PERIODS (N) Number of compounding periods 1
Basic operations
Refer to page 19 for basic variable operations.
1. Press
s
to clear the display.
• Make sure the calculator is in NORMAL mode.
2. Select percent change/ com-
pound interest calculations by
pressing
.
B
.
• To end percent change/com-
pound interest calculations, press
s
.
• If you press
s
during entry, any entered values will be
cleared.
3. Enter the values of any three known variables: old price, new
price, percent change, or number of compounding periods.
4. Move to the variable you wish to calculate, using the
z
and
i
keys, and press
@
to calculate.
OLD PRC(PV)=
000
3FinancialFunctionsCurrent.indd543FinancialFunctionsCurrent.indd54 06.7.108:38:52PM06.7.108:38:52PM
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