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

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

40K

det| 4 8 ; 3 5 | = -4

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

d/dy [y^7] = 7y^6

138K

det| 9 4 ; 1 10 | = 86

138K

6n² + 8n + 4 = 0

3φ² + 1φ + 3 = 0

176K

6x² + 7x + 6 = 0

67K

∇²φ = 0

det| 10 3 ; 4 11 | = 98

306K

∑_{k=1}^{n} k = n(n+1)/2

322K

∑_{k=1}^{n} k = n(n+1)/2

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

374K

∑_{k=1}^{n} k = n(n+1)/2

112K

5y² + 8y + 1 = 0

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

247K