Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:23Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 5 ; 1 10 | = 85
394K
7z² + 2z + 5 = 0
det| 12 1 ; 5 13 | = 151
211K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{α\to 0} \frac{\sin α}{α} = 1
390K
det| 3 2 ; 1 4 | = 10
ω = 2πf
PV = nRT