Eg since 1000 10 10 10 10 3 the logarithm base. Introduction to Logarithms Exponents. The log10 functions return the base-10 logarithm.
The common logarithm of x is the power to which the number 10 must be raised to obtain the value x.
A b c are real numbers and b 0 a 0 a 1. It is also known as the decadic logarithm and as the decimal logarithm named after its base or Briggsian logarithm after Henry Briggs an English mathematician who pioneered its use as well as standard logarithm. If x is negative these functions return an indefinite IND by default. A is called base of the logarithm.