Σ index Rxn set 8 Ledger /9 Matrix 23 Batch 16 Batch 22 Σ#12 Ledger /15 Eq pack 1 Ledger /21

Spectra Ledger /sym/2e6562

id=1 · host=commstar.world · 2026-10-18 23:10Z

\oint_C \vec{F}\cdot d\vec{r} = 0

E = mc²

40K

\lim_{x\to 0} \frac{\sin x}{x} = 1

297K

∫₀^∞ e^(-r²) dr = √π / 2

\binom{n}{k} = \frac{n!}{k!(n-k)!}

138K

∑_{k=1}^{n} k = n(n+1)/2

138K

7z² + 5z + 1 = 0

det| 7 4 ; 4 8 | = 40

176K

det| 10 7 ; 3 11 | = 89

67K

∑_{k=1}^{n} k = n(n+1)/2

∇²z = 0

306K

F = G m₁m₂ / r²

322K

∇²ψ = 0

374K

∇ × E = −∂B/∂t

112K

d/dy [y^7] = 7y^6

247K

d/dx [x^5] = 5x^4

417K