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 20:21Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

det| 7 4 ; 4 8 | = 40

52K

6ω² + 3ω + 2 = 0

\frac{12}{6} \sum_{i=1}^{n} i^{2}

90K

4y² + 3y + 7 = 0

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

100K

∫₀^∞ e^(-n²) dn = √π / 2

50K

det| 8 3 ; 4 9 | = 60

\frac{8}{6} \sum_{i=1}^{n} i^{2}

137K

det| 4 6 ; 4 5 | = -4

197K

9x² + 3x + 6 = 0

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

262K

N₂ + 3H₂ ⇌ 2NH₃

196K

ΔS ≥ 0

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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