Field Notes / Σ /sym/25fa85
id=316145 · host=uk.mattivster.me · 2026-08-30 18:47Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{3}{6} \sum_{i=1}^{n} i^{2}
ΔS ≥ 0
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
1r² + 9r + 2 = 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 10 3 ; 6 11 | = 92
7t² + 5t + 1 = 0
det| 9 5 ; 1 10 | = 85