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 14:58Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

\oint_C \vec{F}\cdot d\vec{r} = 0

52K

det| 12 5 ; 4 13 | = 136

det| 9 4 ; 1 10 | = 86

90K

det| 4 6 ; 4 5 | = -4

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 11 2 ; 5 12 | = 122

100K

2y² + 8y + 7 = 0

50K

det| 4 9 ; 7 5 | = -43

∑_{k=1}^{n} k = n(n+1)/2

137K

2H₂ + O₂ → 2H₂O

197K

det| 1 1 ; 3 2 | = -1

∂β/∂z = 1β

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

e^{i\pi} + 1 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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