Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:17Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
168K
det| 9 5 ; 1 10 | = 85
446K
3x² + 3x + 6 = 0
det| 7 4 ; 4 8 | = 40
144K
det| 2 7 ; 7 3 | = -43
371K
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
86K
7z² + 2z + 0 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
234K
det| 4 2 ; 5 5 | = 10
2H₂ + O₂ → 2H₂O