Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:08Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 7 4 ; 4 8 | = 40
144K
det| 8 9 ; 3 9 | = 45
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
E = mc²
det| 10 1 ; 6 11 | = 104
det| 12 1 ; 4 13 | = 152
94K
∑_{k=1}^{n} k = n(n+1)/2
211K
CH₄ + 2O₂ → CO₂ + 2H₂O
69K