HP user manual User's Guide Page 95

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Cash Flow Calculations
87
8 Cash Flow Calculations
How to Use the Cash Flow Application
The cash flow application is used to solve problems where cash flows occur over regular
intervals. Problems with regular, equal, periodic cash flows are handled more easily using the
TVM keys. To operate the cash flow system, cash flow amounts and repeat values are keyed
in either individually or together. In the following chapter, the term repeat value is used to
describe the number of times a cash flow occurs. Terms such as cash flow count, number of
occurrences, or cash flow group are also used to describe the repeat value.
If a new cash flow is entered, the calculator auto-increments the current cash flow count by 1.
A value of 1 is automatically entered for a repeat value. To enter a repeat value for the current
cash flow entry, enter a value using . To enter the cash flow and a repeat value
together, enter the cash flow value followed by Æ, then enter the repeat value followed by
¤.
In general, use the following steps for cash flow calculations on the HP 10bII+:
1. Organize your cash flows on paper. A cash flow diagram is useful.
2. Clear the cash flow memory.
3. Enter the number of periods per year.
4. Enter the amount of the initial investment (CF
0
) using ¤ to enter the cash flow value.
The CF
0
value may have a repeated value. To enter the cash flow amount and repeat
value simultaneously, enter a cash flow amount, followed by Æ, then enter a number
for the repeat value followed by
¤.
5. Unless the cash flow and repeat value have already been entered as described in step 4
using Æ and ¤, as an alternative, enter the repeat value using .
6. Repeat steps 4 and 5 for each cash flow and repeat value.
7. To calculate net present value and net future value, you must first enter a value for the
annual interest rate and press
Ò; then press . With NPV calculated, press
to display Net Future Value.
8. To calculate IRR, press .
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