Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:37Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
144K
det| 4 7 ; 0 5 | = 20
det| 9 9 ; 5 10 | = 45
90K
∫₀^∞ e^(-x²) dx = √π / 2
438K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 3 ; 6 8 | = 38
29K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 4 ; 3 13 | = 144
\frac{8}{9} \sum_{i=1}^{n} i^{2}
12γ² + 8γ + 0 = 0