Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 18:57Z
∇²r = 0
det| 9 9 ; 5 10 | = 45
222K
det| 7 6 ; 4 8 | = 32
det| 9 3 ; 3 10 | = 81
87K
∂ψ/∂β = 4ψ
det| 9 4 ; 1 10 | = 86
174K
det| 7 2 ; 3 8 | = 50
∫₀^∞ e^(-t²) dt = √π / 2
380K
∫₀^∞ e^(-x²) dx = √π / 2
335K
det| 10 4 ; 1 11 | = 106
∑_{k=1}^{n} k = n(n+1)/2
119K
det| 1 8 ; 0 2 | = 2