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 22:15Z

det| 5 7 ; 7 6 | = -19

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

40K

det| 7 4 ; 4 8 | = 40

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

138K

∫₀^∞ e^(-ω²) dω = √π / 2

138K

6n² + 8n + 4 = 0

2H₂ + O₂ → 2H₂O

176K

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

67K

∇²φ = 0

∂y/∂γ = 8y

306K

∇ × E = −∂B/∂t

322K

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

374K

F = G m₁m₂ / r²

112K

∇²ω = 0

247K

∇ × E = −∂B/∂t

417K