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 22:25Z

det| 5 7 ; 7 6 | = -19

3x² + 5x + 7 = 0

40K

∑_{k=1}^{n} k = n(n+1)/2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

138K

det| 11 5 ; 0 12 | = 132

138K

6n² + 8n + 4 = 0

det| 11 9 ; 5 12 | = 87

176K

iħ ∂ψ/∂t = Ĥψ

67K

∇²φ = 0

det| 4 6 ; 4 5 | = -4

306K

∑_{k=1}^{n} k = n(n+1)/2

322K

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

374K

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

112K

N₂ + 3H₂ ⇌ 2NH₃

247K

det| 9 6 ; 0 10 | = 90

417K