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 22:27Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

det| 12 9 ; 5 13 | = 111

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

2γ² + 5γ + 2 = 0

138K

∇²x = 0

138K

6n² + 8n + 4 = 0

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

176K

11t² + 9t + 7 = 0

67K

∇²φ = 0

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

306K

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

322K

det| 9 4 ; 1 10 | = 86

374K