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 22:47Z

det| 5 7 ; 7 6 | = -19

F = G m₁m₂ / r²

40K

∫₀^∞ e^(-t²) dt = √π / 2

297K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

11z² + 3z + 4 = 0

138K

∑_{k=1}^{n} k = n(n+1)/2

138K

6n² + 8n + 4 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

176K

det| 2 6 ; 0 3 | = 6

67K

∇²φ = 0

det| 9 4 ; 1 10 | = 86

306K

iħ ∂ψ/∂t = Ĥψ

322K

∑_{k=1}^{n} k = n(n+1)/2

E = mc²

374K

\frac{11}{6} \sum_{i=1}^{n} i^{2}

112K

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

247K