Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:23Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-x²) dx = √π / 2
438K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
7z² + 2z + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
69K
det| 11 4 ; 2 12 | = 124
144K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
16K