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 14:06Z

∑_{k=1}^{n} k = n(n+1)/2

5r² + 7r + 0 = 0

244K

N₂ + 3H₂ ⇌ 2NH₃

52K

det| 12 5 ; 4 13 | = 136

∇²φ = 0

90K

det| 9 6 ; 0 10 | = 90

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

8ψ² + 7ψ + 0 = 0

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 4 9 ; 7 5 | = -43

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

137K

8γ² + 1γ + 1 = 0

197K

det| 1 1 ; 3 2 | = -1

iħ ∂ψ/∂t = Ĥψ

262K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

196K

det| 12 9 ; 3 13 | = 129

det| 11 2 ; 5 12 | = 122

218K

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

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]