Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:41Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 1 7 ; 1 2 | = -5
det| 7 2 ; 7 8 | = 42
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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d/dn [n^1] = 1n^0
∫₀^∞ e^(-x²) dx = √π / 2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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8β² + 8β + 2 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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