Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-z²) dz = √π / 2
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 9 8 ; 3 10 | = 66
259K
7z² + 2z + 0 = 0
det| 4 8 ; 3 5 | = -4
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
CH₄ + 2O₂ → CO₂ + 2H₂O
354K