Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:51Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
66K
\lim_{α\to 0} \frac{\sin α}{α} = 1
∇²α = 0
∑_{k=1}^{n} k = n(n+1)/2
174K
\lim_{t\to 0} \frac{\sin t}{t} = 1
det| 9 4 ; 1 10 | = 86
380K
det| 11 2 ; 5 12 | = 122
335K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 6 ; 6 10 | = 54