Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:39Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 9 9 ; 5 10 | = 45
144K
det| 8 9 ; 3 9 | = 45
det| 2 7 ; 7 3 | = -43
90K
det| 7 2 ; 7 8 | = 42
438K
E = mc²
∫₀^∞ e^(-φ²) dφ = √π / 2
211K
det| 7 6 ; 1 8 | = 50
390K
det| 7 4 ; 4 8 | = 40
144K