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

AgNO₃ + NaCl → AgCl↓ + NaNO₃

244K

det| 9 4 ; 1 10 | = 86

52K

det| 12 5 ; 4 13 | = 136

N₂ + 3H₂ ⇌ 2NH₃

90K

6x² + 7x + 6 = 0

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

F = G m₁m₂ / r²

100K

∫₀^∞ e^(-θ²) dθ = √π / 2

50K

det| 4 9 ; 7 5 | = -43

∫₀^∞ e^(-φ²) dφ = √π / 2

137K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

197K

det| 1 1 ; 3 2 | = -1

iħ ∂ψ/∂t = Ĥψ

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

det| 12 9 ; 3 13 | = 129

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

218K

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

299K

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