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 14:51Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

244K

F = G m₁m₂ / r²

52K

det| 12 5 ; 4 13 | = 136

\lim_{x\to 0} \frac{\sin x}{x} = 1

90K

ΔS ≥ 0

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 9 4 ; 1 10 | = 86

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 4 9 ; 7 5 | = -43

CH₄ + 2O₂ → CO₂ + 2H₂O

137K

∫₀^∞ e^(-φ²) dφ = √π / 2

197K

det| 1 1 ; 3 2 | = -1

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

262K

∇ × E = −∂B/∂t

196K

det| 12 9 ; 3 13 | = 129

det| 4 8 ; 3 5 | = -4

218K

det| 3 8 ; 6 4 | = -36

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