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 22:05Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

det| 9 4 ; 1 10 | = 86

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

138K

9θ² + 7θ + 4 = 0

138K

6n² + 8n + 4 = 0

∫₀^∞ e^(-θ²) dθ = √π / 2

176K

∑_{k=1}^{n} k = n(n+1)/2

67K

∇²φ = 0

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

306K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

322K

ΔS ≥ 0

374K