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 22:12Z

det| 5 7 ; 7 6 | = -19

3x² + 5x + 7 = 0

40K

∇²x = 0

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

\lim_{α\to 0} \frac{\sin α}{α} = 1

138K

det| 8 2 ; 7 9 | = 58

138K

6n² + 8n + 4 = 0

2γ² + 5γ + 2 = 0

176K

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

67K

∇²φ = 0

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

306K

∇²r = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

374K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

112K

det| 9 4 ; 1 10 | = 86

247K

det| 12 1 ; 5 13 | = 151

417K