Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:33Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 5 6 ; 4 6 | = 6
144K
det| 1 9 ; 5 2 | = -43
det| 7 4 ; 4 8 | = 40
90K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
94K
det| 11 9 ; 1 12 | = 123
7β² + 8β + 2 = 0
2n² + 5n + 6 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1