Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:59Z
∫₀^∞ e^(-φ²) dφ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
320K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
144K
det| 1 9 ; 5 2 | = -43
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
94K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
390K