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 22:11Z

det| 5 7 ; 7 6 | = -19

det| 9 4 ; 1 10 | = 86

40K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∫₀^∞ e^(-x²) dx = √π / 2

138K

det| 10 3 ; 4 11 | = 98

138K

6n² + 8n + 4 = 0

10y² + 5y + 6 = 0

176K

∑_{k=1}^{n} k = n(n+1)/2

67K

∇²φ = 0

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

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

∂α/∂r = 8α

374K

∑_{k=1}^{n} k = n(n+1)/2

112K

det| 11 5 ; 0 12 | = 132

247K

∑_{k=1}^{n} k = n(n+1)/2

417K