Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:48Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
66K
\lim_{α\to 0} \frac{\sin α}{α} = 1
∑_{k=1}^{n} k = n(n+1)/2
2K
∇²α = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
174K
∑_{k=1}^{n} k = n(n+1)/2
61K
\lim_{t\to 0} \frac{\sin t}{t} = 1
\frac{8}{6} \sum_{i=1}^{n} i^{2}
380K
det| 12 9 ; 5 13 | = 111
335K