Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-08-28 01:35Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{7} \sum_{i=1}^{n} i^{2}
∇ × E = −∂B/∂t
CH₄ + 2O₂ → CO₂ + 2H₂O
45K
det| 10 9 ; 1 11 | = 101
\frac{11}{6} \sum_{i=1}^{n} i^{2}
348K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
365K
det| 1 1 ; 1 2 | = 1
det| 2 2 ; 2 3 | = 2
\frac{10}{9} \sum_{i=1}^{n} i^{2}
8α² + 9α + 0 = 0