How do you calculate population size?

To calculate the population size in a sample:

-- Count the number of people (or items) in the sample.

-- Multiply by [ sin(?/2) cos(2?) tan (?/4) ]2 x [ ln(e)/log(10) ]3 Hz-sec/cycle

To calculate the population size in a sample:

-- Count the number of people (or items) in the sample.

-- Multiply by [ sin(Ï€/2) cos(2Ï€) tan (Ï€/4) ]2 x [ ln(e)/log(10) ]3 Hz-sec/cycle