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 20:38Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

3z² + 5z + 1 = 0

52K

6ω² + 3ω + 2 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

90K

7φ² + 3φ + 6 = 0

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

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

100K

2H₂ + O₂ → 2H₂O

50K

det| 8 3 ; 4 9 | = 60

λ = h/p

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

∇²ψ = 0

262K

det| 9 4 ; 1 10 | = 86

196K

∫₀^∞ e^(-φ²) dφ = √π / 2

218K

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

299K

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