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 14:51Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

244K

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

52K

det| 12 5 ; 4 13 | = 136

det| 10 3 ; 4 11 | = 98

90K

CaCO₃ → CaO + CO₂

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

N₂ + 3H₂ ⇌ 2NH₃

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 7 4 ; 4 8 | = 40

137K

11z² + 3z + 4 = 0

197K

∂α/∂r = 8α

262K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

196K

7y² + 7y + 0 = 0

218K

∫₀^∞ e^(-φ²) dφ = √π / 2

299K

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