Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 05:54Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
87K
∇²α = 0
∑_{k=1}^{n} k = n(n+1)/2
174K
det| 7 4 ; 4 8 | = 40
61K
\lim_{t\to 0} \frac{\sin t}{t} = 1
\frac{2}{2} \sum_{i=1}^{n} i^{2}
380K
\oint_C \vec{F}\cdot d\vec{r} = 0