Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:53Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
168K
det| 7 9 ; 1 8 | = 47
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 4 2 ; 6 5 | = 8
259K
det| 11 9 ; 0 12 | = 132
86K
7z² + 2z + 0 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
224K
∑_{k=1}^{n} k = n(n+1)/2
354K
det| 9 6 ; 7 10 | = 48
70K