HP HP12C hp 12c_user's guide_English_E_HDPMBF12E44.pdf - Page 64
Reviewing Cash Flow Entries
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64 Section 4: Additional Financial Functions The complex mathematical characteristics of the IRR computation have an additional ramification: Depending on the magnitudes and signs of the cash flows, the computation of IRR may have a single answer, multiple answers, a negative answer or no answer.* For additional information regarding L, refer to Appendix B. For an alternative method of calculating IRR, refer to Section 13. Reviewing Cash Flow Entries z To display a single cash flow amount, press :, then key in the number of the register containing the cash flow amount to be displayed. Alternatively, store the number of that cash flow amount (that is, the value of j for the CFj desired) in the n register, then press :gK. z To review all the cash flow amounts, press :g K repeatedly. This displays the cash flow amounts in reverse order - that is, beginning with the final cash flow and proceeding to CF0. z To display the number of times a cash flow amount occurs consecutively - that is, to display the Nj for a CFj - store the number of that cash flow amount (that is, the value of j) in the n register, then press :ga. z To review all the cash flow amounts together with the number of times each cash flow amount occurs consecutively (that is, to review each CFj and Nj pair), press :ga:gK repeatedly. This displays Nj followed by CFj beginning with the final cash flow amount and proceeding to N0 and CF0. Note: Neither L nor l change the number in the n register. However, each time :gK is pressed, the number in the n register is decreased by 1. If this is done, or if you manually change the number in the n register in order to display a single Nj and/or CFj, be sure to reset the number in the n register to the total number of cash flow amounts originally entered (not including the amount of the initial investment CF0). If this is not done, NPV and IRR calculations will give incorrect results; also, a review of cash flow entries would begin with Nn and CFn, where n is the number currently in the n register. For example, to display the fifth cash flow amount and the number of times that amount occurs consecutively: Keystrokes :5 5n Display 9,000.00 5.00 CF5 Stores the value of j in the n register. * In the case of multiple answers for IRR, the decision criteria listed on page 57 should be modified accordingly. File name: hp 12c_user's guide_English_HDPMBF12E44 Printered Date: 2005/7/29 Page: 64 of 209 Dimension: 14.8 cm x 21 cm