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 22:18Z

det| 5 7 ; 7 6 | = -19

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

40K

PV = nRT

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

d/dα [α^9] = 9α^8

138K

d/dx [x^5] = 5x^4

138K

6n² + 8n + 4 = 0

∫₀^∞ e^(-ω²) dω = √π / 2

176K

∑_{k=1}^{n} k = n(n+1)/2

67K

∇²φ = 0

det| 5 6 ; 4 6 | = 6

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

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

374K

det| 8 5 ; 3 9 | = 57

112K

5y² + 8y + 1 = 0

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

247K

det| 9 4 ; 1 10 | = 86

417K

ΔS ≥ 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃