Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:02Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
320K
det| 10 6 ; 4 11 | = 86
det| 12 3 ; 4 13 | = 144
90K
ΔS ≥ 0
∫₀^∞ e^(-x²) dx = √π / 2
29K
9α² + 3α + 1 = 0
det| 7 4 ; 4 8 | = 40
211K
det| 3 4 ; 4 4 | = -4
∑_{k=1}^{n} k = n(n+1)/2
390K
det| 9 9 ; 5 10 | = 45
69K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}