Logarithms

Calculates natural ln and base-10 logarithms and solves bˣ = y.

log

3,000000

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Formula

log_b(x) = y ⟺ b^y = x

Example: log₁₀(1,000) = 3

Methodology

log_b(x) = y exactly when b^y = x. ln uses base e.

Example

log₁₀(1,000) = 3. ln(e²) = 2.

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