Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:10Z
∂y/∂t = 1y
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
ΔS ≥ 0
det| 2 7 ; 7 3 | = -43
174K
det| 6 1 ; 1 7 | = 41
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
380K
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{9}{7} \sum_{i=1}^{n} i^{2}
2H₂ + O₂ → 2H₂O