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 15:06Z

∇²β = 0

det| 8 6 ; 6 9 | = 36

244K

∑_{k=1}^{n} k = n(n+1)/2

52K

det| 2 2 ; 6 3 | = -6

\frac{12}{7} \sum_{i=1}^{n} i^{2}

90K

N₂ + 3H₂ ⇌ 2NH₃

91K

d/dφ [φ^6] = 6φ^5

∑_{k=1}^{n} k = n(n+1)/2

100K

det| 7 4 ; 4 8 | = 40

50K

det| 10 3 ; 1 11 | = 107

CH₄ + 2O₂ → CO₂ + 2H₂O

137K

CaCO₃ → CaO + CO₂

197K

N₂ + 3H₂ ⇌ 2NH₃

262K

∇ × E = −∂B/∂t

196K

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

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27]