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}
\lim_{β\to 0} \frac{\sin β}{β} = 1
66K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\lim_{β\to 0} \frac{\sin β}{β} = 1
61K
∇²x = 0
det| 1 4 ; 2 2 | = -6
380K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
335K
∑_{k=1}^{n} k = n(n+1)/2
119K
∑_{k=1}^{n} k = n(n+1)/2
32K