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 14:41Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

∇²x = 0

52K

det| 12 5 ; 4 13 | = 136

6r² + 3r + 1 = 0

90K

det| 9 4 ; 1 10 | = 86

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

iħ ∂ψ/∂t = Ĥψ

100K

det| 5 3 ; 2 6 | = 24

50K

∑_{k=1}^{n} k = n(n+1)/2

137K

∂β/∂z = 1β

197K

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

262K

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