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 22:20Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

det| 7 4 ; 4 8 | = 40

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

138K

N₂ + 3H₂ ⇌ 2NH₃

138K

6n² + 8n + 4 = 0

\frac{11}{6} \sum_{i=1}^{n} i^{2}

176K

d/dx [x^3] = 3x^2

67K

∇²φ = 0

det| 10 7 ; 3 11 | = 89

306K

ΔS ≥ 0

322K

ΔS ≥ 0

374K

e^{i\pi} + 1 = 0

112K

det| 2 7 ; 7 3 | = -43

247K