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 22:22Z

det| 5 7 ; 7 6 | = -19

F = G m₁m₂ / r²

40K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 7 4 ; 4 8 | = 40

138K

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

138K

6n² + 8n + 4 = 0

det| 5 6 ; 4 6 | = 6

176K

∇ × E = −∂B/∂t

67K

∂γ/∂θ = 2γ

306K

∑_{k=1}^{n} k = n(n+1)/2

322K

2H₂ + O₂ → 2H₂O

374K