Algebra

Logarithm

A logarithm is the exponent to which a base must be raised to obtain a given number.

Meaning

What Is Logarithm?

A logarithm is the exponent to which a base must be raised to obtain a given number.

A logarithm is the exponent to which a base must be raised to obtain a given number.

Examples

Examples of Logarithm

1log₂(8) = 3 because 2³ = 8.
Understand

Formula and Key Points

Formula / rule
log_b(x) = y ⇔ bʸ = x
  • Know the definition and standard notation for Logarithm.
  • Be able to recognise or compute logarithm in a small example.
  • Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
CSE Connection

Why This Matters in Computer Science

Used in programming formulas, symbolic computation, constraint solving, algorithm derivations and data modelling. Especially important for binary search, balanced trees, divide-and-conquer algorithms and information measures.

FAQ

Logarithm: Frequently Asked Questions

What is Logarithm?

A logarithm is the exponent to which a base must be raised to obtain a given number.

Why is Logarithm useful in computer science?

Used in programming formulas, symbolic computation, constraint solving, algorithm derivations and data modelling. Especially important for binary search, balanced trees, divide-and-conquer algorithms and information measures.