Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:51Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 1 9 ; 5 2 | = -43
∑_{k=1}^{n} k = n(n+1)/2
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{8}{7} \sum_{i=1}^{n} i^{2}
394K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 9 4 ; 1 10 | = 86
211K
det| 11 9 ; 1 12 | = 123
2n² + 5n + 6 = 0
d/dβ [β^5] = 5β^4