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 22:02Z

det| 5 7 ; 7 6 | = -19

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

40K

det| 7 4 ; 4 8 | = 40

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

F = G m₁m₂ / r²

138K

ω = 2πf

138K

6n² + 8n + 4 = 0

2γ² + 5γ + 2 = 0

176K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

67K

∇²φ = 0

∇ × E = −∂B/∂t

306K

2H₂ + O₂ → 2H₂O

322K

∑_{k=1}^{n} k = n(n+1)/2

e^{i\pi} + 1 = 0

374K

5r² + 7r + 0 = 0

112K

5y² + 8y + 1 = 0

det| 2 2 ; 4 3 | = -2

247K

det| 1 7 ; 3 2 | = -19

ΔS ≥ 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃