Σ index Rxn set 20 Matrix 17 Ledger /3 Σ#6 Rxn set 8 Ledger /9 Batch 16 Ledger /21 Matrix 23 Eq pack 19 Eq pack 25 Eq pack 7 Ledger /15 Batch 4 Matrix 5

Symbolic Index /sym/ea4bfa

id=1 · host=au.commstar.world · 2026-10-18 19:23Z

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

∑_{k=1}^{n} k = n(n+1)/2

428K

det| 9 4 ; 1 10 | = 86

238K

∑_{k=1}^{n} k = n(n+1)/2

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

270K

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

268K

det| 9 1 ; 6 10 | = 84

7φ² + 3φ + 6 = 0

41K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

330K

∫₀^∞ e^(-θ²) dθ = √π / 2

∫₀^∞ e^(-n²) dn = √π / 2

95K

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

121K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

7K

F = G m₁m₂ / r²

133K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

ΔS ≥ 0

54K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

21K

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