Field Notes / Σ /sym/e3d422
id=345396 · host=uk.mattivster.me · 2026-08-30 18:45Z
∑_{k=1}^{n} k = n(n+1)/2
9z² + 6z + 5 = 0
N₂ + 3H₂ ⇌ 2NH₃
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
12t² + 4t + 2 = 0
5y² + 2y + 2 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
N₂ + 3H₂ ⇌ 2NH₃