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 14:58Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

d/dα [α^9] = 9α^8

52K

det| 12 5 ; 4 13 | = 136

det| 9 4 ; 1 10 | = 86

90K

∫₀^∞ e^(-y²) dy = √π / 2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∫₀^∞ e^(-φ²) dφ = √π / 2

100K

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

50K

det| 4 9 ; 7 5 | = -43

det| 12 9 ; 5 13 | = 111

137K

2H₂ + O₂ → 2H₂O

197K

det| 1 1 ; 3 2 | = -1

2γ² + 5γ + 2 = 0

262K

∫₀^∞ e^(-n²) dn = √π / 2

196K

∑_{k=1}^{n} k = n(n+1)/2

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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