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 22:20Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 7 4 ; 4 8 | = 40

138K

1θ² + 2θ + 6 = 0

138K

6n² + 8n + 4 = 0

det| 11 9 ; 5 12 | = 87

176K

\frac{12}{7} \sum_{i=1}^{n} i^{2}

67K

det| 4 6 ; 0 5 | = 20

306K

∇ × E = −∂B/∂t

322K

6x² + 7x + 6 = 0

374K

∫₀^∞ e^(-t²) dt = √π / 2

112K

F = G m₁m₂ / r²

247K

F = G m₁m₂ / r²

417K