Just guessing, but it looks like a financial equation. See if using
Excel's functions NPER and RATE would help. (for your n & i).

--
Dana DeLouis
Win XP & Office 2003


"Bernard Liengme" wrote in message
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Generally we do not do homework but here's hint for the second question:
take logs

Bernard

"A=P(1+i)^n" wrote in message
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Trying to do a school project and need to find i in the formula
A=P(1+i/2)^n*2. Also in a different question I need to find n in the
formula A=P(1+i/12)^n*12