Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-21 10:28Z
CaCO₃ → CaO + CO₂
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
414K
\frac{12}{3} \sum_{i=1}^{n} i^{2}
det| 10 9 ; 2 11 | = 92
det| 7 4 ; 4 8 | = 40
335K
det| 2 4 ; 4 3 | = -10
460K
det| 4 9 ; 0 5 | = 20