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 22:07Z

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

det| 9 4 ; 1 10 | = 86

138K

d/dx [x^5] = 5x^4

138K

6n² + 8n + 4 = 0

6t² + 6t + 4 = 0

176K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

67K

∇²φ = 0

2H₂ + O₂ → 2H₂O

306K

CaCO₃ → CaO + CO₂

322K

∑_{k=1}^{n} k = n(n+1)/2

CH₄ + 2O₂ → CO₂ + 2H₂O