PMP® is a project management professional certificate that all project managers want to demonstrate their knowledge, skills and experience of project management. The process of PMP® exam preparation is not so simple, and it is a significant obstacle to everyone, especially calculation questions. This article summarizes 22 formulas that need to remember in the PMP® exam.
There are plenty of formulas thorough 10 knowledge areas of project management. The table below illustrates the most important formulas for candidates in the PMP® exam.
|1. Discounted cash flow||PV, FV||PV = FV / ((1 +r) ˆ n)|
|2. Triangular Distribution||(P+O+M)/3|
|3. Beta Distribution||(P+4*M+O)/6|
|4. Standard Deviation||SD||(P-O)/6|
|5. Activity Duration Range||Beta Distribution +/- SD|
|6. Total Float||LS-ES = LF – EF|
|7. Planned Value||PV||BAC * planned % complete|
|8. Earned Value||EV||BAC * actual % complete|
|9. Cost Variance||CV||EV-AC|
|10. Schedule Variance||SV||EV-PV|
|11. Cost Performance Index||CPI||EV/AC|
|12. Schedule Performance Index||SPI||EV/PV|
|13, 14, 15, 16. Estimate At Completion||EAC||AC + bottom-up ETC: original estimate is no longer valid|
|BAC/CPI: CPI will stay the same for the rest of the project|
|AC + BAC – EV: current CPI is abnormal|
|AC + (BAC – EV)/(CPI * SPI): both CPI and SPI influence remaining work|
|17, 18. To-Complete Performance Index||TCPI||(BAC – EV)/(BAC – AC): BAC is still valid|
|(BAC – EV)/(EAC – AC): BAC is no longer valid|
|19. Estimate to Complete||ETC||EAC – AC|
|20. Variance at Complete||VAC||BAC – EAC|
|21. Communications Channels||N * (N-1)/2|
|22. Expected Monetary Value||EMV||P * I|
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