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

F = G m₁m₂ / r²

244K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

52K

det| 12 5 ; 4 13 | = 136

2H₂ + O₂ → 2H₂O

90K

iħ ∂ψ/∂t = Ĥψ

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 9 4 ; 1 10 | = 86

100K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

50K

det| 4 9 ; 7 5 | = -43

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

137K

det| 10 3 ; 4 11 | = 98

197K

det| 1 1 ; 3 2 | = -1

\oint_C \vec{F}\cdot d\vec{r} = 0

262K

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

196K

det| 12 9 ; 3 13 | = 129

6x² + 7x + 6 = 0

218K

det| 3 8 ; 6 4 | = -36

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