Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
90K
det| 7 2 ; 7 8 | = 42
438K
2r² + 6r + 5 = 0
det| 6 4 ; 4 7 | = 26
394K
E = mc²
det| 9 7 ; 3 10 | = 69
211K
∂y/∂y = 3y
det| 10 7 ; 3 11 | = 89
352K