Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:14Z
12r² + 6r + 1 = 0
det| 2 7 ; 7 3 | = -43
168K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
144K
4t² + 9t + 6 = 0
det| 7 4 ; 4 8 | = 40
259K
∇²ψ = 0
∑_{k=1}^{n} k = n(n+1)/2
354K