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 14:58Z

∑_{k=1}^{n} k = n(n+1)/2

CH₄ + 2O₂ → CO₂ + 2H₂O

244K

10y² + 5y + 6 = 0

52K

det| 12 5 ; 4 13 | = 136

11t² + 6t + 6 = 0

90K

N₂ + 3H₂ ⇌ 2NH₃

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

6x² + 7x + 6 = 0

100K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

50K

det| 4 9 ; 7 5 | = -43

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

det| 1 1 ; 3 2 | = -1

det| 3 3 ; 4 4 | = 0

262K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

196K

det| 12 9 ; 3 13 | = 129

det| 7 4 ; 4 8 | = 40

218K

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

299K

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