Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:54Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 9 2 ; 3 10 | = 84
320K
det| 1 9 ; 5 2 | = -43
det| 2 7 ; 7 3 | = -43
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
394K
∑_{k=1}^{n} k = n(n+1)/2
29K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 11 9 ; 1 12 | = 123
det| 7 4 ; 4 8 | = 40
390K
2n² + 5n + 6 = 0