Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:48Z
∇ × E = −∂B/∂t
det| 8 9 ; 4 9 | = 36
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∫₀^∞ e^(-z²) dz = √π / 2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{8}{6} \sum_{i=1}^{n} i^{2}
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