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 22:24Z

det| 5 7 ; 7 6 | = -19

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

40K

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

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

det| 4 7 ; 2 5 | = 6

138K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

138K

6n² + 8n + 4 = 0

det| 6 4 ; 4 7 | = 26

176K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

67K

∇²φ = 0

∫₀^∞ e^(-φ²) dφ = √π / 2

306K

det| 2 6 ; 0 3 | = 6

322K

∑_{k=1}^{n} k = n(n+1)/2

F = ma

374K

det| 9 4 ; 1 10 | = 86

112K

∑_{k=1}^{n} k = n(n+1)/2

247K

∑_{k=1}^{n} k = n(n+1)/2

417K