Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-21 10:20Z
CaCO₃ → CaO + CO₂
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
7K
∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{3} \sum_{i=1}^{n} i^{2}
det| 10 9 ; 2 11 | = 92
∑_{k=1}^{n} k = n(n+1)/2
335K
det| 4 9 ; 0 5 | = 20
4n² + 1n + 0 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-β²) dβ = √π / 2