Formula for the present value is PV=FV/(1+r)^n. In order to calculate n (6 or 7 years) you need scientific calculator but in the test centers they have simple calculators. On screen they also have simple calculator. How to calculate the n using simple calculator? 

Can anyone send me the link to ITTOs for the PMBOK 5th edition? I need ITTOs in Excel format without moving the cursor to each knowledge areas.