Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
278K
det| 1 7 ; 1 2 | = -5
det| 2 8 ; 7 3 | = -50
339K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 9 4 ; 1 10 | = 86
316K