Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:13Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
2r² + 6r + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
29K
E = mc²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
94K
∂y/∂y = 3y
\lim_{t\to 0} \frac{\sin t}{t} = 1
390K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
69K