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 14:19Z

∑_{k=1}^{n} k = n(n+1)/2

\frac{12}{6} \sum_{i=1}^{n} i^{2}

244K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

52K

det| 12 5 ; 4 13 | = 136

det| 5 6 ; 4 6 | = 6

90K

det| 7 4 ; 4 8 | = 40

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

PV = nRT

100K

∫₀^∞ e^(-x²) dx = √π / 2

50K

det| 4 9 ; 7 5 | = -43

∑_{k=1}^{n} k = n(n+1)/2

137K

∫₀^∞ e^(-α²) dα = √π / 2

197K

∇ × E = −∂B/∂t

262K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

196K

F = G m₁m₂ / r²

218K

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