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 22:19Z

det| 5 7 ; 7 6 | = -19

\lim_{x\to 0} \frac{\sin x}{x} = 1

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∫₀^∞ e^(-x²) dx = √π / 2

138K

det| 4 6 ; 0 5 | = 20

138K

6n² + 8n + 4 = 0

det| 11 5 ; 0 12 | = 132

176K

N₂ + 3H₂ ⇌ 2NH₃

67K

∇²φ = 0

11t² + 9t + 7 = 0

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

374K

∑_{k=1}^{n} k = n(n+1)/2

112K