Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:17Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
144K
∇²t = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
259K
det| 7 4 ; 4 8 | = 40
86K
det| 11 9 ; 0 12 | = 132
224K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
234K
∑_{k=1}^{n} k = n(n+1)/2
218K