Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:03Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 3 ; 5 9 | = 57
168K
det| 12 9 ; 5 13 | = 111
446K
3x² + 3x + 6 = 0
∇²t = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
259K
det| 3 7 ; 2 4 | = -2
86K
7z² + 2z + 0 = 0