Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:56Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
90K
det| 4 8 ; 3 5 | = -4
438K
2r² + 6r + 5 = 0
E = mc²
∫₀^∞ e^(-t²) dt = √π / 2
94K
∂y/∂y = 3y