Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:51Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
446K
3x² + 3x + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
371K
∇²t = 0
det| 11 5 ; 0 12 | = 132
259K
det| 5 6 ; 2 6 | = 18
86K
7z² + 2z + 0 = 0
∫₀^∞ e^(-t²) dt = √π / 2
234K
det| 9 6 ; 0 10 | = 90
218K
det| 7 4 ; 4 8 | = 40
70K
det| 1 4 ; 3 2 | = -10
402K