Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:58Z
∇ × E = −∂B/∂t
det| 4 2 ; 6 5 | = 8
168K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
371K
∂x/∂n = 6x
det| 7 4 ; 4 8 | = 40
86K
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
234K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
N₂ + 3H₂ ⇌ 2NH₃
CH₄ + 2O₂ → CO₂ + 2H₂O
70K
d/dy [y^6] = 6y^5
5y² + 1y + 3 = 0
6θ² + 9θ + 7 = 0