Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:13Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 9 ; 3 9 | = 45
CH₄ + 2O₂ → CO₂ + 2H₂O
90K
E = mc²
det| 10 1 ; 6 11 | = 104
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 2 6 ; 5 3 | = -24
∑_{k=1}^{n} k = n(n+1)/2
69K