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 22:26Z

det| 5 7 ; 7 6 | = -19

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

40K

10y² + 5y + 6 = 0

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 4 6 ; 4 5 | = -4

138K

det| 11 9 ; 5 12 | = 87

138K

6n² + 8n + 4 = 0

8γ² + 1γ + 1 = 0

176K

∇ × E = −∂B/∂t

67K

∇²φ = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

306K

8ψ² + 7ψ + 0 = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

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

374K

det| 12 9 ; 5 13 | = 111

112K

5y² + 8y + 1 = 0

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

247K

det| 1 7 ; 3 2 | = -19