Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:19Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 9 9 ; 5 10 | = 45
66K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 10 2 ; 3 11 | = 104
380K
d/dz [z^11] = 11z^10
119K
det| 8 9 ; 4 9 | = 36
392K