Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:51Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
371K
∂x/∂n = 6x
det| 7 4 ; 4 8 | = 40
86K
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 7 7 ; 4 8 | = 28
224K
\lim_{r\to 0} \frac{\sin r}{r} = 1
234K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
12β² + 7β + 0 = 0
N₂ + 3H₂ ⇌ 2NH₃
d/dy [y^6] = 6y^5
5y² + 1y + 3 = 0