Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:30Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
\lim_{β\to 0} \frac{\sin β}{β} = 1
144K
det| 1 9 ; 5 2 | = -43
det| 7 8 ; 4 8 | = 24
90K
det| 7 1 ; 7 8 | = 49
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-t²) dt = √π / 2
394K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
29K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
211K
det| 11 9 ; 1 12 | = 123
∑_{k=1}^{n} k = n(n+1)/2
69K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K