Field Notes / Σ /sym/d9eeff
id=357682 · host=uk.mattivster.me · 2026-08-30 18:45Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
1ψ² + 2ψ + 4 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
∂θ/∂α = 8θ
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
∫₀^∞ e^(-r²) dr = √π / 2
2H₂ + O₂ → 2H₂O
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{2}{5} \sum_{i=1}^{n} i^{2}