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 14:57Z

∑_{k=1}^{n} k = n(n+1)/2

11z² + 3z + 4 = 0

244K

∑_{k=1}^{n} k = n(n+1)/2

52K

det| 12 5 ; 4 13 | = 136

∫₀^∞ e^(-x²) dx = √π / 2

90K

∫₀^∞ e^(-n²) dn = √π / 2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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

100K

\frac{2}{2} \sum_{i=1}^{n} i^{2}

50K

det| 4 9 ; 7 5 | = -43

ΔS ≥ 0

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

∇²ψ = 0

262K

det| 9 4 ; 1 10 | = 86

196K

F = G m₁m₂ / r²

218K

∇²x = 0

299K

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