Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:18Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
ω = 2πf
det| 1 7 ; 1 2 | = -5
det| 6 6 ; 5 7 | = 12
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-θ²) dθ = √π / 2
358K
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 6 ; 0 10 | = 90
387K