Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 18:57Z
∇²r = 0
det| 7 4 ; 4 8 | = 40
222K
det| 7 6 ; 4 8 | = 32
∂ψ/∂β = 4ψ
det| 1 2 ; 4 2 | = -6
174K
det| 7 7 ; 4 8 | = 28
380K
∑_{k=1}^{n} k = n(n+1)/2
119K
∫₀^∞ e^(-x²) dx = √π / 2
472K