Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:36Z
∑_{k=1}^{n} k = n(n+1)/2
det| 1 4 ; 0 2 | = 2
320K
det| 8 9 ; 3 9 | = 45
E = mc²
det| 1 2 ; 4 2 | = -6
394K
det| 4 6 ; 0 5 | = 20
29K
det| 12 3 ; 4 13 | = 144
211K
∑_{k=1}^{n} k = n(n+1)/2
144K