Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:23Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 9 ; 5 13 | = 111
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{12}{4} \sum_{i=1}^{n} i^{2}
394K
CH₄ + 2O₂ → CO₂ + 2H₂O
29K
7z² + 2z + 5 = 0
∫₀^∞ e^(-γ²) dγ = √π / 2
94K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 1 ; 1 6 | = 29
69K