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 22:50Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

∫₀^∞ e^(-t²) dt = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

F = G m₁m₂ / r²

138K

∇ × E = −∂B/∂t

138K

6n² + 8n + 4 = 0

det| 4 7 ; 2 5 | = 6

176K

5r² + 5r + 5 = 0

67K

∇²φ = 0

det| 9 4 ; 1 10 | = 86

306K

d/dt [t^3] = 3t^2

322K

∑_{k=1}^{n} k = n(n+1)/2

e^{i\pi} + 1 = 0

374K

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

112K

det| 3 3 ; 4 4 | = 0

247K