Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:53Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 3 1 ; 7 4 | = 5
144K
∑_{k=1}^{n} k = n(n+1)/2
371K
∇²t = 0
det| 9 4 ; 1 10 | = 86
86K
7z² + 2z + 0 = 0
det| 6 6 ; 5 7 | = 12
234K