Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 17:27Z
∫₀^∞ e^(-φ²) dφ = √π / 2
det| 1 9 ; 5 2 | = -43
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
29K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
94K
det| 11 9 ; 1 12 | = 123
∑_{k=1}^{n} k = n(n+1)/2
390K
7β² + 8β + 2 = 0
2n² + 5n + 6 = 0