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 22:25Z

det| 5 7 ; 7 6 | = -19

11z² + 3z + 4 = 0

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

F = G m₁m₂ / r²

138K

det| 4 6 ; 0 5 | = 20

138K

6n² + 8n + 4 = 0

∇ × E = −∂B/∂t

176K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

67K

∇²φ = 0

6r² + 3r + 1 = 0

306K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

322K

∑_{k=1}^{n} k = n(n+1)/2

det| 7 4 ; 4 8 | = 40

374K

CH₄ + 2O₂ → CO₂ + 2H₂O

5y² + 8y + 1 = 0