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 22:17Z

det| 5 7 ; 7 6 | = -19

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

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

ω = 2πf

138K

5φ² + 1φ + 1 = 0

138K

6n² + 8n + 4 = 0

∑_{k=1}^{n} k = n(n+1)/2

176K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

67K

∇²φ = 0

∫₀^∞ e^(-φ²) dφ = √π / 2

306K

det| 9 4 ; 1 10 | = 86

322K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

374K

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

112K

5y² + 8y + 1 = 0

12α² + 9α + 2 = 0

247K

det| 7 2 ; 3 8 | = 50

417K

ΔS ≥ 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃