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

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

40K

2H₂ + O₂ → 2H₂O

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∫₀^∞ e^(-r²) dr = √π / 2

138K

\lim_{t\to 0} \frac{\sin t}{t} = 1

138K

6n² + 8n + 4 = 0

11z² + 1z + 0 = 0

176K

∂n/∂θ = 3n

67K

∇²φ = 0

11z² + 3z + 4 = 0

306K

det| 4 4 ; 5 5 | = 0

322K

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

374K

∇ × E = −∂B/∂t

112K

F = G m₁m₂ / r²

247K

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

417K