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 14:42Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

PV = nRT

52K

det| 12 5 ; 4 13 | = 136

\oint_C \vec{F}\cdot d\vec{r} = 0

90K

E = mc²

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

Fe₂O₃ + 3CO → 2Fe + 3CO₂

100K

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

50K

det| 4 9 ; 7 5 | = -43

det| 7 4 ; 4 8 | = 40

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

∫₀^∞ e^(-α²) dα = √π / 2

262K

N₂ + 3H₂ ⇌ 2NH₃

196K

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