Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:02Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 9 ; 3 9 | = 45
det| 7 1 ; 7 8 | = 49
438K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
394K
det| 9 4 ; 1 10 | = 86
29K
∑_{k=1}^{n} k = n(n+1)/2
94K
∑_{k=1}^{n} k = n(n+1)/2
211K