Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 20:13Z
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
144K
2ω² + 4ω + 5 = 0
∫₀^∞ e^(-x²) dx = √π / 2
90K
E = mc²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
29K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
94K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
211K
det| 2 1 ; 2 3 | = 4
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 2 ; 5 12 | = 122