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| 11 2 ; 5 12 | = 122
320K
det| 9 5 ; 1 10 | = 85
144K
det| 8 9 ; 3 9 | = 45
det| 2 4 ; 4 3 | = -10
90K
E = mc²
det| 7 1 ; 7 8 | = 49
394K
∑_{k=1}^{n} k = n(n+1)/2
29K