Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:27Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
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ω = 2πf
\frac{4}{6} \sum_{i=1}^{n} i^{2}
278K
det| 1 7 ; 1 2 | = -5
\frac{3}{2} \sum_{i=1}^{n} i^{2}
339K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
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