Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 16:13Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
320K
det| 8 9 ; 3 9 | = 45
det| 1 4 ; 2 2 | = -6
90K
E = mc²
det| 12 9 ; 5 13 | = 111
394K
det| 10 1 ; 6 11 | = 104
∑_{k=1}^{n} k = n(n+1)/2
94K
∑_{k=1}^{n} k = n(n+1)/2
211K
∑_{k=1}^{n} k = n(n+1)/2
69K
det| 7 4 ; 4 8 | = 40
144K