Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:37Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
320K
det| 8 9 ; 3 9 | = 45
det| 4 8 ; 3 5 | = -4
90K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
438K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
394K
det| 10 1 ; 6 11 | = 104