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 22:14Z

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

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

138K

det| 4 6 ; 0 5 | = 20

138K

6n² + 8n + 4 = 0

det| 4 7 ; 2 5 | = 6

176K

∂n/∂θ = 3n

67K

∇²φ = 0

N₂ + 3H₂ ⇌ 2NH₃

306K

det| 7 4 ; 4 8 | = 40

322K

∑_{k=1}^{n} k = n(n+1)/2

\frac{12}{6} \sum_{i=1}^{n} i^{2}

374K

2γ² + 5γ + 2 = 0

112K

∑_{k=1}^{n} k = n(n+1)/2

247K