Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:19Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
446K
3x² + 3x + 6 = 0
∇²t = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
∑_{k=1}^{n} k = n(n+1)/2
86K
7z² + 2z + 0 = 0
det| 7 6 ; 1 8 | = 50
224K
det| 1 4 ; 3 2 | = -10
234K
∑_{k=1}^{n} k = n(n+1)/2
354K
∑_{k=1}^{n} k = n(n+1)/2
402K