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 14:44Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

244K

det| 9 4 ; 1 10 | = 86

52K

det| 12 5 ; 4 13 | = 136

det| 10 5 ; 4 11 | = 90

90K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

AgNO₃ + NaCl → AgCl↓ + NaNO₃

100K

2H₂ + O₂ → 2H₂O

50K

det| 4 9 ; 7 5 | = -43

d/dβ [β^2] = 2β^1

137K

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

197K

det| 1 1 ; 3 2 | = -1

∇²r = 0

262K

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

196K

det| 12 9 ; 3 13 | = 129

ΔS ≥ 0

218K

det| 5 6 ; 4 6 | = 6

299K

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