Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
119K
det| 5 9 ; 0 6 | = 30
472K
E = mc²
\frac{12}{6} \sum_{i=1}^{n} i^{2}
392K
det| 7 4 ; 4 8 | = 40
32K