Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:55Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
144K
det| 7 4 ; 4 8 | = 40
371K
∇²t = 0
det| 3 6 ; 0 4 | = 12
259K
7z² + 2z + 0 = 0
∫₀^∞ e^(-n²) dn = √π / 2
234K
det| 4 2 ; 6 5 | = 8
218K