Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:21Z
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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3x² + 3x + 6 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
∇²t = 0
det| 8 9 ; 4 9 | = 36
259K
7z² + 2z + 0 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
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det| 5 3 ; 7 6 | = 9
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det| 4 2 ; 5 5 | = 10
2H₂ + O₂ → 2H₂O
\lim_{x\to 0} \frac{\sin x}{x} = 1