Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 22:11Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 6 ; 4 11 | = 86
det| 7 4 ; 4 8 | = 40
90K
ΔS ≥ 0
det| 11 2 ; 5 12 | = 122
94K
∫₀^∞ e^(-t²) dt = √π / 2
69K
∑_{k=1}^{n} k = n(n+1)/2
144K