Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:50Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
∇²t = 0
7z² + 2z + 0 = 0
det| 10 3 ; 4 11 | = 98
234K
det| 4 2 ; 5 5 | = 10
det| 7 9 ; 1 8 | = 47
218K
∫₀^∞ e^(-ψ²) dψ = √π / 2
354K