Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
CH₄ + 2O₂ → CO₂ + 2H₂O
174K
det| 7 4 ; 4 8 | = 40
61K
∑_{k=1}^{n} k = n(n+1)/2
380K
∑_{k=1}^{n} k = n(n+1)/2
119K
det| 7 9 ; 1 8 | = 47
472K