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 13:39Z

8θ² + 4θ + 7 = 0

8ψ² + 7ψ + 0 = 0

244K

∇ × E = −∂B/∂t

52K

∇²α = 0

F = G m₁m₂ / r²

90K

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

91K

det| 5 6 ; 5 6 | = 0

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

100K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

50K

∑_{k=1}^{n} k = n(n+1)/2

det| 9 6 ; 0 10 | = 90

137K

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

197K

d/dn [n^5] = 5n^4

3α² + 8α + 4 = 0

262K

det| 2 7 ; 7 3 | = -43

196K

∑_{k=1}^{n} k = n(n+1)/2

ΔS ≥ 0

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

299K

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