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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

F = G m₁m₂ / r²

138K

7γ² + 3γ + 1 = 0

138K

6n² + 8n + 4 = 0

∑_{k=1}^{n} k = n(n+1)/2

176K

det| 7 4 ; 4 8 | = 40

67K

∇²φ = 0

d/dy [y^7] = 7y^6

306K

det| 2 2 ; 4 3 | = -2

322K

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

374K

∇ × E = −∂B/∂t

112K

5y² + 8y + 1 = 0

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

247K

det| 1 7 ; 3 2 | = -19