Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 23:52Z
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
320K
∫₀^∞ e^(-t²) dt = √π / 2
144K
8α² + 7α + 7 = 0
det| 7 4 ; 4 8 | = 40
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 6 ; 4 5 | = -4
394K
∑_{k=1}^{n} k = n(n+1)/2
211K