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14: Additional Examples 201
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
1. Because the compounding periods and the withdrawal periods are
not coincident, you must first convert the nominal interest rate to one in
terms of the withdrawal periods. You can do this using the ICNV
menu, as explained on page 87, “Compounding Periods Different
from Payment Periods.”
2. The rest of the calculation is a straightforward TVM problem.
Remember that money deposited is paid out and therefore negative;
money withdrawn is received and therefore positive.
Step 1: Find the adjusted nominal interest rate.
Keys: Display: Description:
Displays periodic
interest-rate conversion
menu.
12 Stores number of
compounding periods.
10 Stores nominal interest
rate.
Calculates effective
interest rate.
4 Stores number of
withdrawal periods.
Calculates adjusted
nominal interest rate.
Step 2: Calculate the future values.
Keys: Display: Description:
e
e
Switches to TVM menu.