HP 12C Instruction Manual page 4

Internal rate of return

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HP 12C Internal Rate of Return

The next cash flow amount occurs three times in a sequence, so it can be entered as a grouped cash flow.

20000 gK

3 ga

The remaining data is entered with the following keystroke sequence:

12000 gK

8000 Þ gK

178500 gK

Answer:

The keystrokes presented above indicate the correct entries.

Example 2: The cash flow diagram had all of its information used to compose the cash flow data in the HP12C

memory. Show how to check that they were entered correctly.

Solution:

Now that all data is entered, checking for its correctness is possible in two ways. The most common way is

the sequential check and the keystroke sequence for this checking is as follows:

This is the number of the last register used to store the cash flow data. It will be needed later.

:gK

This is the amount of CF

pressed, n is decreased by one unit. Now check CF

:gK

:ga

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. The sequential checking works backwards, and each time :gK is

- 4 -

, CF

and when checking CF

HP 12C Internal Rate of Return - Version 1.0

Figure 6

Figure 7

Figure 8

Figure 9

verify N

as well.

Figure 10