Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:38Z
∑_{k=1}^{n} k = n(n+1)/2
det| 11 2 ; 5 12 | = 122
320K
det| 5 6 ; 1 6 | = 24
144K
det| 8 9 ; 3 9 | = 45
det| 4 8 ; 3 5 | = -4
90K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
390K
det| 7 4 ; 4 8 | = 40
69K