Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:43Z
7ω² + 9ω + 3 = 0
det| 7 4 ; 4 8 | = 40
46K
∑_{k=1}^{n} k = n(n+1)/2
det| 2 7 ; 7 3 | = -43
278K
3n² + 8n + 2 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
∫₀^∞ e^(-α²) dα = √π / 2
177K
∇²x = 0