Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:16Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
168K
3x² + 3x + 6 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
144K
∑_{k=1}^{n} k = n(n+1)/2
371K
∇²t = 0
det| 5 6 ; 2 6 | = 18
86K
7z² + 2z + 0 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
234K
det| 4 2 ; 5 5 | = 10
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\oint_C \vec{F}\cdot d\vec{r} = 0
354K
2H₂ + O₂ → 2H₂O
iħ ∂ψ/∂t = Ĥψ
\lim_{x\to 0} \frac{\sin x}{x} = 1