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

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

40K

∫₀^∞ e^(-z²) dz = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

138K

∑_{k=1}^{n} k = n(n+1)/2

138K

6n² + 8n + 4 = 0

2H₂ + O₂ → 2H₂O

176K

5r² + 5r + 5 = 0

67K

∇²φ = 0

PV = nRT

306K

det| 9 4 ; 1 10 | = 86

322K

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

374K

CaCO₃ → CaO + CO₂

112K

\frac{12}{7} \sum_{i=1}^{n} i^{2}

247K

det| 9 9 ; 5 10 | = 45

417K