Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 13:28Z
det| 11 7 ; 6 12 | = 90
det| 12 2 ; 2 13 | = 152
168K
d/dy [y^12] = 12y^11
det| 7 7 ; 4 8 | = 28
371K
9n² + 8n + 0 = 0
det| 3 6 ; 0 4 | = 12
259K
det| 9 4 ; 1 10 | = 86
224K
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 2 7 ; 7 3 | = -43
354K
∑_{k=1}^{n} k = n(n+1)/2
70K