Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 23:29Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-r²) dr = √π / 2
det| 9 4 ; 1 10 | = 86
138K
7z² + 5z + 1 = 0
det| 4 6 ; 4 5 | = -4
176K
∑_{k=1}^{n} k = n(n+1)/2
67K
∑_{k=1}^{n} k = n(n+1)/2