Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 02:12Z
det| 5 5 ; 5 6 | = 5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\oint_C \vec{F}\cdot d\vec{r} = 0
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2H₂ + O₂ → 2H₂O
det| 5 6 ; 2 6 | = 18
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5θ² + 3θ + 2 = 0
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{y\to 0} \frac{\sin y}{y} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1