Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:20Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 12 9 ; 5 13 | = 111
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{β\to 0} \frac{\sin β}{β} = 1
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∫₀^∞ e^(-x²) dx = √π / 2
174K
\oint_C \vec{F}\cdot d\vec{r} = 0
61K
∇²x = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
380K