"Logarithm" is a word made up by Scottish mathematician John Napier (1550-1617), from the Greek word logos meaning "proportion, ratio or word" and arithmos meaning "number", ... which together makes "ratio-number" ! In its simplest form logarithm gives the info about: how many a number can give another number basically its used to get the power ie. the exponent of the base number in the log with respect to the log number for eg: 1. log 2 ( 8 )= 3 ie 2 3 = 8 how many a number (to the base number) (2) another number ( log number) (8) raise to power (3) 2. log 2 ( 4 )= 2 ie 2 2 = 4 same goes for the negative logarithms: 1. since reference: www.mathsisfun.com/algebra/logarithms.html
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