Math
Natural Log Calculator
Find the natural logarithm (ln) of a number.
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The natural log uses base e (≈2.718) — common in growth and decay.
The math behind it
ln(x) answers: e to what power equals x?
Worked Example
ln(20) ≈ 3.00.
Frequently Asked Questions
ln(1)?
0, because e⁰ = 1.
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