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How to calculate log, LG and ln in mathematics? Please give examples respectively, thank you! !
Log stands for logarithm, as opposed to exponent. Log8/2 is read as the logarithm of 2 based on 8. The specific calculation method is that the third power of 2 is 8, and the logarithm of 2 based on 8 is 3.

IG stands for logarithm based on 10.

IN stands for natural logarithm e.