Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:21Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
66K
\lim_{β\to 0} \frac{\sin β}{β} = 1
222K
∑_{k=1}^{n} k = n(n+1)/2
\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
119K
CH₄ + 2O₂ → CO₂ + 2H₂O
472K