Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:02Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 7 8 ; 4 8 | = 24
144K
det| 2 7 ; 7 3 | = -43
371K
∇²t = 0
7z² + 2z + 0 = 0
det| 7 4 ; 4 8 | = 40
234K
det| 4 2 ; 5 5 | = 10
det| 2 6 ; 0 3 | = 6
218K
det| 9 8 ; 3 10 | = 66
354K
∑_{k=1}^{n} k = n(n+1)/2
70K