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}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\lim_{r\to 0} \frac{\sin r}{r} = 1
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 1 4 ; 0 2 | = 2
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∇²x = 0
det| 8 9 ; 4 9 | = 36
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