Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:40Z
∇ × E = −∂B/∂t
\oint_C \vec{F}\cdot d\vec{r} = 0
168K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂x/∂n = 6x
det| 3 1 ; 7 4 | = 5
259K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
402K
5y² + 1y + 3 = 0
6θ² + 9θ + 7 = 0