In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that …

In its simplest form, a logarithm answers the question: How many of one number multiply together to make another number?

Logarithmic scale Semi-log plot of the Internet host count over time shown on a logarithmic scale A logarithmic scale (or log scale) is …

Jul 24, 2026 · Logarithm, the exponent or power to which a base must be raised to yield a given number.

Apr 21, 2026 · Logarithmic Function A logarithmic function is the inverse of an exponential function and is defined for positive real …

What's next? Learn about the properties of logarithms that help us rewrite logarithmic expressions, and about the change of base …

Sal explains what logarithms are and gives a few examples of finding logarithms.

The meaning of LOGARITHMIC is of, involving, or expressed in terms of a logarithm.

Logarithmic spirals are common in nature. Examples include the shell of a nautilus, or the arrangement of seeds on a sunflower. In …

An exponential equation is converted into a logarithmic equation and vice versa using b x = a ⇔ log b a = x. A common log is a …