Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 18:14Z
∇²r = 0
∑_{k=1}^{n} k = n(n+1)/2
66K
det| 7 6 ; 4 8 | = 32
det| 9 4 ; 1 10 | = 86
87K
∂ψ/∂β = 4ψ
det| 1 2 ; 4 2 | = -6
174K
∫₀^∞ e^(-t²) dt = √π / 2
61K
∑_{k=1}^{n} k = n(n+1)/2
119K