Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:51Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
320K
det| 1 9 ; 5 2 | = -43
\frac{7}{1} \sum_{i=1}^{n} i^{2}
90K
det| 10 7 ; 3 11 | = 89
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 7 ; 3 10 | = 69
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
94K
det| 9 4 ; 1 10 | = 86
211K
det| 11 9 ; 1 12 | = 123
∑_{k=1}^{n} k = n(n+1)/2
144K