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 14:12Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

\lim_{x\to 0} \frac{\sin x}{x} = 1

52K

det| 12 5 ; 4 13 | = 136

d/dβ [β^2] = 2β^1

90K

det| 1 4 ; 2 2 | = -6

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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

100K

∂γ/∂θ = 2γ

50K

det| 4 9 ; 7 5 | = -43

det| 5 6 ; 4 6 | = 6

137K

8ψ² + 7ψ + 0 = 0

197K

∇²ψ = 0

262K

∇ × E = −∂B/∂t

196K

d/dy [y^7] = 7y^6

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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