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 20:37Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

244K

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

52K

6ω² + 3ω + 2 = 0

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

90K

d/dx [x^5] = 5x^4

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

∫₀^∞ e^(-n²) dn = √π / 2

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 8 3 ; 4 9 | = 60

5r² + 7r + 0 = 0

137K

det| 7 4 ; 4 8 | = 40

197K

9x² + 3x + 6 = 0

∂β/∂z = 1β

262K

det| 5 3 ; 2 6 | = 24

196K

9ψ² + 3ψ + 3 = 0

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

218K

N₂ + 3H₂ ⇌ 2NH₃

299K

F = G m₁m₂ / r²

F = ma

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