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 22:19Z

det| 5 7 ; 7 6 | = -19

det| 1 4 ; 2 2 | = -6

40K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

138K

∑_{k=1}^{n} k = n(n+1)/2

138K

6n² + 8n + 4 = 0

e^{i\pi} + 1 = 0

176K

\oint_C \vec{F}\cdot d\vec{r} = 0

67K

∇²φ = 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃

306K

F = G m₁m₂ / r²

322K

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

374K

det| 3 6 ; 0 4 | = 12

112K

det| 12 9 ; 5 13 | = 111

247K