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 22:11Z

det| 5 7 ; 7 6 | = -19

1θ² + 7θ + 4 = 0

40K

∫₀^∞ e^(-z²) dz = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

138K

8ψ² + 7ψ + 0 = 0

138K

6n² + 8n + 4 = 0

∑_{k=1}^{n} k = n(n+1)/2

176K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

67K

∇²φ = 0

2H₂ + O₂ → 2H₂O

306K

∇ × E = −∂B/∂t

322K

iħ ∂ψ/∂t = Ĥψ

374K

4y² + 3y + 7 = 0

112K

λ = h/p

247K

det| 9 9 ; 5 10 | = 45

417K