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 22:26Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

∫₀^∞ e^(-x²) dx = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

\frac{3}{2} \sum_{i=1}^{n} i^{2}

138K

∇ × E = −∂B/∂t

138K

6n² + 8n + 4 = 0

det| 7 4 ; 4 8 | = 40

176K

2β² + 9β + 3 = 0

67K

∇²φ = 0

F = G m₁m₂ / r²

306K

∑_{k=1}^{n} k = n(n+1)/2

322K

\frac{11}{6} \sum_{i=1}^{n} i^{2}

374K