Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:52Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
144K
∑_{k=1}^{n} k = n(n+1)/2
371K
∂x/∂n = 6x
det| 12 2 ; 2 13 | = 152
259K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
70K
det| 7 4 ; 4 8 | = 40
402K