Question

What is the difference between log (x), ln (x), and lg (x)?

Answer 1

Log X vs ln x

Usually log(x) means the base 10 logarithm; it can, also be written as log10(x) . ... ln(x) means the base e logarithm; it can, also be written as loge(x) . ln(x) tells you what power you must raise e to obtain the number x. ex is its inverse.

Explanation:

Answer 2

log (x) is usually log base 10.

ln (x) is natural log, which is base e.

lg (x) is log base 2.