Thread: anybody good with logs??

i have log_L (1-r)

with L = 2 and r = 0.02

does any1 know how to put log to the base into a calculator or any other way of calculating it?

You appear to have

When entering into a calculator, use the change of base formula.



In this case,

Do not confuse the change of base formula with the quotient rule for logs.

Originally Posted by galactus

You appear to have

When entering into a calculator, use the change of base formula.



In this case,

Do not confuse the change of base formula with the quotient rule for logs.

having Tr = 1/1-log_L(1-r)

with L = 2 and r = 0.02

i get this to be equal to 0.97168 and i know the answer is approx 100 so should my answer be multiplied by 100?? is this the rite procedure?

No. Where does the 100 come from?.

the answer has to be 100 years its a return period for a flood

Originally Posted by question

the answer has to be 100 years its a return period for a flood

Perhaps you should post the actual question you are trying to answer.

RonL