HP HP-15C - Page 44

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Section 1: Using [ SOLVE] Effectively
Keystrokes
s
[STOJH5
|RCL|4
rsToi^i3
[GTOJ3
Stupe
rniusERirRCLifci
[T||USER|
flTllRTNl
QD[sE]o
Display
056- 20
057-44,40, 5
058- 45 4
059-44,20, 3
060- 22 3
061-42,21, 6
062u 4513
063- 43 32
064-43, 4, 0
|RCL|5
flT1lRTN|
065- 43 32
066-42,21, 7
067- 45 5
068- 43 32
Recalls cash flow element.
Sets flag 0 if last element.
Recalls NPV.
Labels used: A, B, and 0 through 7.
Registers used: R0 through R5.
Matrix used: C.
To use the discounted cash flow analysis program:
1. Press 5 [T||DIM||TiT1to allocate registers R0 through R5.
2. Press Q] |USER| to activate User mode (unless it's already
active).
3. Key in the number of cash flow groups, then press | ENTER 12
[Til DIM Ifclto dimension matrix C.
4. Press IT] [MATRIX 11 to set the row and column numbers to 1.
5. For each cash flow group:
a. Key in the amount and press | STO | ("c"|, then
b. Key in the number of occurrences and press | STO | [c"|.
6. Calculate the desired parameter:
• To calculate IRR, press QF].
• To calculate NPV, enter periodic interest rate i in percent
and press [A]. Repeat for as many interest rates as
needed.
7. Repeat steps 3 through 6 for other sets of cash flows.