Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:50Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 5 2 ; 3 6 | = 24
144K
∇²t = 0
det| 9 6 ; 7 10 | = 48
259K
7z² + 2z + 0 = 0
det| 4 2 ; 5 5 | = 10
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 3 7 ; 2 4 | = -2
354K
2H₂ + O₂ → 2H₂O