In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 1000 …

Logarithm rules and properties Logarithm Rules The base b logarithm of a number is the exponent that we need to raise the base in order to get the number. Logarithm definition Logarithm rules Logarithm …

This free log calculator solves for the unknown portions of a logarithmic expression using base e, 2, 10, or any other desired base.

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

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May 10, 2026 · Logarithm, the exponent or power to which a base must be raised to yield a given number.

Get accurate log values from 1 to 10 with formula explanation and solved examples for quick exam revision and concept clarity

A graph of the common logarithm of numbers from 0.1 to 100 In mathematics, the common logarithm (aka "standard logarithm") is the logarithm with base 10. [1] It is also known as the decadic logarithm, …

Logarithm is another way of writing exponent. The problems that cannot be solved using only exponents can be solved using logs. Learn more about logarithms and rules to work on them in detail.

Learn the eight (8) log rules or laws to help you evaluate, expand, condense, and solve logarithmic equations. Try out the log rules practice problems for an even better understanding.