Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:19Z
∇ × E = −∂B/∂t
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
168K
CH₄ + 2O₂ → CO₂ + 2H₂O
446K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
371K
∂x/∂n = 6x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
\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)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
218K
N₂ + 3H₂ ⇌ 2NH₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
70K
d/dy [y^6] = 6y^5
5y² + 1y + 3 = 0
6θ² + 9θ + 7 = 0