Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:59Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 7 ; 3 11 | = 89
371K
∂x/∂n = 6x
det| 9 4 ; 1 10 | = 86
86K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
218K
\lim_{α\to 0} \frac{\sin α}{α} = 1
354K
N₂ + 3H₂ ⇌ 2NH₃