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 22:52Z

det| 5 7 ; 7 6 | = -19

∑_{k=1}^{n} k = n(n+1)/2

40K

det| 9 4 ; 1 10 | = 86

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∇ × E = −∂B/∂t

138K

det| 2 7 ; 7 3 | = -43

138K

6n² + 8n + 4 = 0

d/dz [z^11] = 11z^10

176K

4y² + 3y + 7 = 0

67K

∇²φ = 0

10ω² + 7ω + 4 = 0

306K

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

322K

∑_{k=1}^{n} k = n(n+1)/2

e^{i\pi} + 1 = 0

374K

F = ma

112K

5y² + 8y + 1 = 0