Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:21Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
det| 9 4 ; 1 10 | = 86
90K
ΔS ≥ 0
∫₀^∞ e^(-φ²) dφ = √π / 2
394K
9α² + 3α + 1 = 0
∫₀^∞ e^(-t²) dt = √π / 2
94K
∑_{k=1}^{n} k = n(n+1)/2
211K
det| 3 4 ; 4 4 | = -4
det| 4 6 ; 4 5 | = -4
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
E = mc²
2H₂ + O₂ → 2H₂O