Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 00:43Z
6r² + 4r + 7 = 0
∫₀^∞ e^(-γ²) dγ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
1y² + 1y + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
335K
CaCO₃ → CaO + CO₂