Field Notes / Σ /sym/d52528
id=320621 · host=uk.mattivster.me · 2026-08-30 18:47Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 2 ; 1 12 | = 130
∇ × E = −∂B/∂t
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
det| 12 1 ; 0 13 | = 156
det| 12 2 ; 5 13 | = 146
\frac{6}{3} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}