Field Notes / Σ /sym/4cfb78
id=725281 · host=uk.mattivster.me · 2026-09-01 21:06Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
294K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
455K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
304K
e^{i\pi} + 1 = 0
12y² + 2y + 0 = 0
∫₀^∞ e^(-ψ²) dψ = √π / 2
∇²n = 0