Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:59Z
∇ × E = −∂B/∂t
det| 9 8 ; 3 10 | = 66
168K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
446K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 6 ; 0 3 | = 6
371K
∂x/∂n = 6x
det| 9 4 ; 1 10 | = 86
259K
∑_{k=1}^{n} k = n(n+1)/2
86K
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
70K
d/dy [y^6] = 6y^5