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Procedure
Move to the last date
and calculate.
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
OLD PRC (PV)
NEW PRC (FV) New price (new value)
% (I/Y)
PERIODS (N)
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/ compound interest cal-
culations 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.
Key operation
z @
Description
Old price (old value)
Percent change
Number of compounding periods
OLD PRC(PV)=
54
Display
M-D-Y 2=[MO]
2-21-2011
Default value
0
0
0
1
000
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