Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:20Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
394K
7z² + 2z + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{5}{8} \sum_{i=1}^{n} i^{2}
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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det| 5 6 ; 1 6 | = 24
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