Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:53Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-φ²) dφ = √π / 2
320K
det| 10 6 ; 4 11 | = 86
det| 1 2 ; 7 2 | = -12
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
ΔS ≥ 0
det| 4 8 ; 3 5 | = -4
394K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
29K
9α² + 3α + 1 = 0
det| 9 4 ; 1 10 | = 86
94K
\frac{6}{3} \sum_{i=1}^{n} i^{2}
211K
det| 3 4 ; 4 4 | = -4
9x² + 1x + 0 = 0
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}