Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:54Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
∫₀^∞ e^(-x²) dx = √π / 2
144K
det| 4 8 ; 3 5 | = -4
371K
∇²t = 0
det| 8 9 ; 4 9 | = 36
259K
det| 5 6 ; 2 6 | = 18
86K
7z² + 2z + 0 = 0
det| 4 2 ; 5 5 | = 10
∑_{k=1}^{n} k = n(n+1)/2
354K
2H₂ + O₂ → 2H₂O