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🧮 Fibonacci Calculator

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Calculate Fibonacci Numbers

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Golden Ratio Analysis

The ratio between consecutive Fibonacci numbers approaches φ (phi) ≈ 1.618...

About Fibonacci Sequence

The Fibonacci sequence is a series where each number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89...

Formula

F(n) = F(n-1) + F(n-2)

Starting with F(0) = 0, F(1) = 1

Properties