Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:54Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\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
∫₀^∞ e^(-β²) dβ = √π / 2
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\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 3 8 | = 44
det| 9 4 ; 1 10 | = 86
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