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 14:42Z

∑_{k=1}^{n} k = n(n+1)/2

3n² + 2n + 4 = 0

244K

N₂ + 3H₂ ⇌ 2NH₃

52K

det| 12 5 ; 4 13 | = 136

λ = h/p

90K

∫₀^∞ e^(-x²) dx = √π / 2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

100K

det| 10 7 ; 3 11 | = 89

50K

det| 4 9 ; 7 5 | = -43

iħ ∂ψ/∂t = Ĥψ

137K

det| 1 4 ; 2 2 | = -6

197K

det| 1 1 ; 3 2 | = -1

det| 7 4 ; 4 8 | = 40

262K

2H₂ + O₂ → 2H₂O

196K

det| 12 9 ; 3 13 | = 129

∑_{k=1}^{n} k = n(n+1)/2

218K

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

299K

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