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 22:22Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

8ψ² + 7ψ + 0 = 0

138K

∑_{k=1}^{n} k = n(n+1)/2

138K

6n² + 8n + 4 = 0

det| 2 2 ; 4 3 | = -2

176K

∇ × E = −∂B/∂t

67K

∇²φ = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

306K

∇²ψ = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

6t² + 6t + 4 = 0

374K

CH₄ + 2O₂ → CO₂ + 2H₂O

5y² + 8y + 1 = 0

det| 1 7 ; 3 2 | = -19