Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:17Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 7 7 ; 4 8 | = 28
371K
∇²t = 0
det| 2 7 ; 7 3 | = -43
259K
7z² + 2z + 0 = 0
det| 12 1 ; 5 13 | = 151
218K
∫₀^∞ e^(-t²) dt = √π / 2
354K
det| 7 4 ; 4 8 | = 40
70K
∫₀^∞ e^(-α²) dα = √π / 2
402K