Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
168K
3x² + 3x + 6 = 0
∇²t = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
259K
det| 7 7 ; 4 8 | = 28
86K
7z² + 2z + 0 = 0
det| 4 2 ; 5 5 | = 10
\frac{8}{6} \sum_{i=1}^{n} i^{2}
218K
\lim_{r\to 0} \frac{\sin r}{r} = 1
354K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
402K
\lim_{x\to 0} \frac{\sin x}{x} = 1
11θ² + 6θ + 7 = 0