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 22:23Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

∫₀^∞ e^(-t²) dt = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

2H₂ + O₂ → 2H₂O

138K

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

138K

6n² + 8n + 4 = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

176K

e^{i\pi} + 1 = 0

67K

∇²φ = 0

det| 9 4 ; 1 10 | = 86

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

det| 4 2 ; 3 5 | = 14

374K

∇²ψ = 0

112K

ω = 2πf

247K