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

∂n/∂θ = 3n

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

138K

7y² + 7y + 0 = 0

138K

6n² + 8n + 4 = 0

det| 7 4 ; 4 8 | = 40

176K

3z² + 5z + 1 = 0

67K

∇²φ = 0

det| 11 5 ; 0 12 | = 132

306K

∑_{k=1}^{n} k = n(n+1)/2

322K

∑_{k=1}^{n} k = n(n+1)/2

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

374K

N₂ + 3H₂ ⇌ 2NH₃

112K

5y² + 8y + 1 = 0

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

247K

det| 1 7 ; 3 2 | = -19