What is a Logarithm?
In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x.
logb(x) = y => by = x
Common Types
- Common Logarithm: Has base 10 (log₁₀). Used in science and engineering.
- Natural Logarithm: Has base e (≈ 2.718). It's widely used in calculus and physics.
- Binary Logarithm: Has base 2. Used in computer science.