Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:42Z
ΔS ≥ 0
\frac{1}{2} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
438K
∑_{k=1}^{n} k = n(n+1)/2
\frac{8}{6} \sum_{i=1}^{n} i^{2}
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
29K
9θ² + 4θ + 0 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
94K
det| 6 4 ; 1 7 | = 38