Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 12:28Z
5θ² + 4θ + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
232K
∑_{k=1}^{n} k = n(n+1)/2
10r² + 3r + 3 = 0
∑_{k=1}^{n} k = n(n+1)/2
372K
det| 9 9 ; 5 10 | = 45
430K
∫₀^∞ e^(-t²) dt = √π / 2
336K