Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:48Z
7ω² + 9ω + 3 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
278K
3n² + 8n + 2 = 0
det| 7 4 ; 4 8 | = 40
339K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
177K
∇²x = 0