Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
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iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3r² + 6r + 7 = 0
\lim_{r\to 0} \frac{\sin r}{r} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
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E = mc²
det| 4 2 ; 6 5 | = 8
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CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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