Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 19:12Z
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
3γ² + 9γ + 0 = 0
det| 7 4 ; 4 8 | = 40
278K
∂β/∂z = 1β
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
121K
det| 10 3 ; 0 11 | = 110
\frac{7}{5} \sum_{i=1}^{n} i^{2}
d/dα [α^12] = 12α^11
N₂ + 3H₂ ⇌ 2NH₃