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 22:09Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

det| 7 4 ; 4 8 | = 40

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

N₂ + 3H₂ ⇌ 2NH₃

138K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

138K

6n² + 8n + 4 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

176K

ω = 2πf

67K

∇²φ = 0

det| 11 5 ; 0 12 | = 132

306K

5z² + 8z + 3 = 0

322K