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 14:22Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

det| 5 6 ; 1 6 | = 24

52K

det| 12 5 ; 4 13 | = 136

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

90K

∫₀^∞ e^(-ω²) dω = √π / 2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

d/dt [t^3] = 3t^2

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 4 9 ; 7 5 | = -43

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

∇²ψ = 0

262K

det| 9 4 ; 1 10 | = 86

196K

iħ ∂ψ/∂t = Ĥψ

218K

PV = nRT

299K

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