Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 02:47Z
ΔS ≥ 0
\frac{1}{2} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 5 13 | = 151
438K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
394K
9θ² + 4θ + 0 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
94K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
211K
det| 6 4 ; 1 7 | = 38
\binom{n}{k} = \frac{n!}{k!(n-k)!}
69K