Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 04:13Z
5ψ² + 7ψ + 4 = 0
det| 7 7 ; 4 8 | = 28
164K
det| 7 4 ; 4 8 | = 40
232K
ω = 2πf
det| 2 7 ; 7 3 | = -43
d/dt [t^8] = 8t^7
det| 1 4 ; 0 2 | = 2
430K
∑_{k=1}^{n} k = n(n+1)/2
130K