Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:15Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
385K
det| 11 9 ; 4 12 | = 96
det| 2 3 ; 5 3 | = -9
259K
∇ × E = −∂B/∂t
∫₀^∞ e^(-t²) dt = √π / 2
57K
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
∑_{k=1}^{n} k = n(n+1)/2
300K
2H₂ + O₂ → 2H₂O