Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:50Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-z²) dz = √π / 2
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 2 3 ; 5 3 | = -9
86K
7z² + 2z + 0 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
70K