Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 00:23Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
320K
\oint_C \vec{F}\cdot d\vec{r} = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
7z² + 2z + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
94K
∫₀^∞ e^(-γ²) dγ = √π / 2
211K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
69K
\oint_C \vec{F}\cdot d\vec{r} = 0
144K
CH₄ + 2O₂ → CO₂ + 2H₂O
16K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
311K