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 22:25Z

det| 5 7 ; 7 6 | = -19

∇ × E = −∂B/∂t

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 10 5 ; 4 11 | = 90

138K

F = G m₁m₂ / r²

138K

6n² + 8n + 4 = 0

det| 1 2 ; 7 2 | = -12

176K

∇ × E = −∂B/∂t

67K

∇²φ = 0

det| 7 4 ; 4 8 | = 40

306K

det| 3 3 ; 4 4 | = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-x²) dx = √π / 2

374K

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

112K

5y² + 8y + 1 = 0