Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:58Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-x²) dx = √π / 2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∂x/∂n = 6x
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 4 8 ; 3 5 | = -4
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