Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:19Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
46K
ω = 2πf
det| 7 4 ; 4 8 | = 40
289K
det| 1 7 ; 1 2 | = -5
det| 11 4 ; 5 12 | = 112
339K
det| 11 9 ; 0 12 | = 132
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 1 4 ; 3 2 | = -10
399K