Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:43Z
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
46K
\lim_{r\to 0} \frac{\sin r}{r} = 1
468K
3γ² + 9γ + 0 = 0
det| 9 4 ; 1 10 | = 86
289K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
278K
∂β/∂z = 1β
∑_{k=1}^{n} k = n(n+1)/2
177K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 3 ; 0 11 | = 110
det| 2 6 ; 0 3 | = 6
399K
\frac{7}{5} \sum_{i=1}^{n} i^{2}
d/dα [α^12] = 12α^11
N₂ + 3H₂ ⇌ 2NH₃
det| 2 6 ; 3 3 | = -12
det| 3 2 ; 3 4 | = 6