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 14:54Z

∑_{k=1}^{n} k = n(n+1)/2

det| 10 7 ; 3 11 | = 89

244K

2β² + 8β + 6 = 0

52K

det| 12 5 ; 4 13 | = 136

\lim_{t\to 0} \frac{\sin t}{t} = 1

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

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

197K

F = G m₁m₂ / r²

262K

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

196K

2H₂ + O₂ → 2H₂O

218K

2H₂ + O₂ → 2H₂O

299K

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