Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:59Z
∇ × E = −∂B/∂t
det| 10 7 ; 3 11 | = 89
168K
det| 1 4 ; 3 2 | = -10
446K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-r²) dr = √π / 2
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
∂x/∂n = 6x
\lim_{x\to 0} \frac{\sin x}{x} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
224K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
234K
\binom{n}{k} = \frac{n!}{k!(n-k)!}