Question: is log and in the same?
Answer: Usually log(x) means the base 10 logarithm; it can, also be written as log10(x) . log10(x) tells you what power you must raise 10 to obtain the number 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.