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 23:23Z

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

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

40K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

297K

∫₀^∞ e^(-r²) dr = √π / 2

∑_{k=1}^{n} k = n(n+1)/2

138K

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

138K

7z² + 5z + 1 = 0

∑_{k=1}^{n} k = n(n+1)/2

176K

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

67K

∑_{k=1}^{n} k = n(n+1)/2

4y² + 3y + 7 = 0

306K

det| 9 7 ; 3 10 | = 69

322K

N₂ + 3H₂ ⇌ 2NH₃

det| 9 4 ; 1 10 | = 86

374K

det| 5 6 ; 4 6 | = 6

112K

2t² + 5t + 1 = 0

N₂ + 3H₂ ⇌ 2NH₃

247K

12φ² + 4φ + 7 = 0