Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:00Z
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
90K
∇²t = 0
det| 7 8 ; 6 8 | = 8
394K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
29K
8t² + 2t + 4 = 0
det| 1 1 ; 5 2 | = -3
94K
det| 8 9 ; 1 9 | = 63
∑_{k=1}^{n} k = n(n+1)/2
69K