Σ index Rxn set 8 Ledger /9 Σ#24 Ledger /3 Ledger /15 Σ#12 Matrix 11 Batch 22 Eq pack 19 Matrix 17 Eq pack 13 Batch 16 Ledger /27 Eq pack 7

Symbolic Index /sym/ea4bfa

id=1 · host=au.commstar.world · 2026-10-20 20:16Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

244K

12γ² + 9γ + 7 = 0

52K

6ω² + 3ω + 2 = 0

∑_{k=1}^{n} k = n(n+1)/2

90K

CaCO₃ → CaO + CO₂

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

∇ × E = −∂B/∂t

100K

F = G m₁m₂ / r²

50K

det| 7 4 ; 4 8 | = 40

137K

2H₂ + O₂ → 2H₂O

197K

d/dx [x^3] = 3x^2

262K

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

196K

det| 2 4 ; 4 3 | = -10

218K

∫₀^∞ e^(-φ²) dφ = √π / 2

299K

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