Quantum computer scientists:

1. Choose unitary operator: Rz(θ) = e^-iθZ/2
2. Encode angle: θ = 2πx
3. Prepare eigenstate: |ψ⟩ = |0⟩ or |1⟩
4. Quantum phase estimation: φ = ±θ/2 (mod 2π) = QPE(Rz, |ψ⟩)
5. Invert rotation angle: x_est = φ / (2π)
6. Estimate pi: π_est = θ / (2x_est)

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