Among lots of good stuff, PV
Fixed Annual Withdrawal SWR
(Inflation Adjusted) – This is the initial %withdrawal from the initial lump-sum that is inflation adjusted annually and will exhaust the portfolio (final value FV = 0).
Fixed Annual Percentage PWR
– This is the fixed annual % from annual balances that will leave the final value FV that is at least equal to the inflation-adjusted initial lump-sum.
More info on PV can be found here, https://ybbpersonalfinance.proboards.com/post/1086/thread