Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 21:30Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 5 6 ; 1 6 | = 24
144K
det| 4 7 ; 0 5 | = 20
det| 7 4 ; 4 8 | = 40
90K
det| 12 1 ; 5 13 | = 151
438K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 8 ; 3 5 | = -4
94K
∫₀^∞ e^(-x²) dx = √π / 2
211K
∫₀^∞ e^(-t²) dt = √π / 2
390K