Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 04:04Z
5ψ² + 7ψ + 4 = 0
det| 4 8 ; 3 5 | = -4
164K
ω = 2πf
det| 4 6 ; 4 5 | = -4
375K
det| 12 3 ; 4 13 | = 144
47K
det| 2 7 ; 7 3 | = -43
∑_{k=1}^{n} k = n(n+1)/2
372K
d/dt [t^8] = 8t^7
det| 9 4 ; 1 10 | = 86
430K