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 13:52Z

8θ² + 4θ + 7 = 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃

244K

N₂ + 3H₂ ⇌ 2NH₃

52K

∇²α = 0

∑_{k=1}^{n} k = n(n+1)/2

90K

det| 12 9 ; 5 13 | = 111

91K

det| 5 6 ; 5 6 | = 0

8ψ² + 7ψ + 0 = 0

100K

\frac{2}{2} \sum_{i=1}^{n} i^{2}

50K

∑_{k=1}^{n} k = n(n+1)/2

\frac{11}{6} \sum_{i=1}^{n} i^{2}

137K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

197K

d/dn [n^5] = 5n^4

iħ ∂ψ/∂t = Ĥψ

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

∑_{k=1}^{n} k = n(n+1)/2

\frac{2}{2} \sum_{i=1}^{n} i^{2}

218K

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

299K

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