Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 15:56Z
\lim_{x\to 0} \frac{\sin x}{x} = 1
∑_{k=1}^{n} k = n(n+1)/2
222K
∫₀^∞ e^(-ω²) dω = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
\frac{12}{7} \sum_{i=1}^{n} i^{2}
2K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 2 6 | = 18
61K
F = ma
AgNO₃ + NaCl → AgCl↓ + NaNO₃
335K
∑_{k=1}^{n} k = n(n+1)/2
119K
det| 7 4 ; 4 8 | = 40
392K