Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 02:15Z
∇²t = 0
det| 1 4 ; 2 2 | = -6
164K
det| 7 9 ; 1 8 | = 47
232K
7r² + 4r + 0 = 0
det| 7 4 ; 4 8 | = 40
375K
∑_{k=1}^{n} k = n(n+1)/2
47K
∇²β = 0
det| 9 5 ; 1 10 | = 85
165K
det| 1 1 ; 5 2 | = -3
372K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
430K
8r² + 8r + 0 = 0