Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 00:41Z
6r² + 4r + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
222K
∫₀^∞ e^(-γ²) dγ = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
87K
1y² + 1y + 6 = 0
det| 9 4 ; 1 10 | = 86
61K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
380K
det| 1 2 ; 7 2 | = -12
335K
CaCO₃ → CaO + CO₂