Log Base 10 Calculator

What is Logarithm?

A logarithm is a power to which a number must be lifted in order to obtain another number. A typical logarithm has a fixed base of 10.

The typical log of a number N is written as log 10 N or log N. Logarithms are also known as Decadic Logarithms and Decimal Logarithms.

Common logarithms have numerous applications in science and engineering. These logarithms are also known as Briggsian logarithms after British mathematician Henry Briggs invented them in the 18th century.

What is the difference between logarithm and natural logarithm?

The difference between log and ln is that log is defined for base 10 while ln is defined for base e.