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
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
289K
det| 1 7 ; 1 2 | = -5
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 5 3 ; 7 6 | = 9
177K
det| 7 4 ; 4 8 | = 40
11K