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 22:48Z

det| 5 7 ; 7 6 | = -19

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

40K

5r² + 5r + 5 = 0

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

F = G m₁m₂ / r²

138K

d/dn [n^6] = 6n^5

138K

6n² + 8n + 4 = 0

det| 7 4 ; 4 8 | = 40

176K

∑_{k=1}^{n} k = n(n+1)/2

67K

∇²φ = 0

∑_{k=1}^{n} k = n(n+1)/2

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

374K

CH₄ + 2O₂ → CO₂ + 2H₂O

5y² + 8y + 1 = 0