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 14:40Z

∑_{k=1}^{n} k = n(n+1)/2

3x² + 5x + 7 = 0

244K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

52K

det| 12 5 ; 4 13 | = 136

∂β/∂β = 6β

90K

d/dγ [γ^3] = 3γ^2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

CH₄ + 2O₂ → CO₂ + 2H₂O

100K

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

50K

det| 4 9 ; 7 5 | = -43

∇ × E = −∂B/∂t

137K

ω = 2πf

197K

det| 1 1 ; 3 2 | = -1

∑_{k=1}^{n} k = n(n+1)/2

262K

det| 5 3 ; 2 6 | = 24

196K

det| 9 4 ; 1 10 | = 86

218K

det| 12 9 ; 5 13 | = 111

299K

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