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 22:34Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

138K

det| 9 4 ; 1 10 | = 86

138K

6n² + 8n + 4 = 0

det| 7 7 ; 4 8 | = 28

176K

7y² + 7y + 0 = 0

67K

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

306K

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

322K