Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:13Z
\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
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 9 6 ; 7 10 | = 48
399K
∫₀^∞ e^(-t²) dt = √π / 2
316K