Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 7 6 | = -12
87K
det| 2 4 ; 4 3 | = -10
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 10 2 ; 3 11 | = 104
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂