Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 04:34Z
5ψ² + 7ψ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
232K
ω = 2πf
det| 7 8 ; 6 8 | = 8
375K
det| 2 7 ; 7 3 | = -43
det| 9 4 ; 1 10 | = 86
165K
∑_{k=1}^{n} k = n(n+1)/2
372K
d/dt [t^8] = 8t^7