Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:52Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∫₀^∞ e^(-t²) dt = √π / 2
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det| 7 4 ; 4 8 | = 40
218K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
354K
∫₀^∞ e^(-α²) dα = √π / 2
402K