Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:56Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 9 ; 7 6 | = -33
168K
∑_{k=1}^{n} k = n(n+1)/2
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 7 4 ; 4 8 | = 40
259K
CH₄ + 2O₂ → CO₂ + 2H₂O
234K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
det| 4 2 ; 6 5 | = 8
354K