Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:10Z
7ω² + 9ω + 3 = 0
det| 9 4 ; 1 10 | = 86
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
289K
3n² + 8n + 2 = 0
det| 9 8 ; 3 10 | = 66
177K
∇²x = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
∑_{k=1}^{n} k = n(n+1)/2
399K
∫₀^∞ e^(-x²) dx = √π / 2
387K