Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:51Z
∫₀^∞ e^(-φ²) dφ = √π / 2
∫₀^∞ e^(-x²) dx = √π / 2
320K
det| 1 9 ; 5 2 | = -43
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 11 9 ; 1 12 | = 123
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
390K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
69K
2n² + 5n + 6 = 0