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 14:39Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

2H₂ + O₂ → 2H₂O

52K

det| 12 5 ; 4 13 | = 136

∫₀^∞ e^(-ω²) dω = √π / 2

90K

det| 5 6 ; 4 6 | = 6

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

100K

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

50K

det| 4 9 ; 7 5 | = -43

d/dx [x^5] = 5x^4

137K

PV = nRT

197K

det| 1 1 ; 3 2 | = -1

∫₀^∞ e^(-n²) dn = √π / 2

262K

12z² + 1z + 7 = 0

196K

det| 9 4 ; 1 10 | = 86

218K

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