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 21:29Z

∂n/∂z = 1n

∑_{k=1}^{n} k = n(n+1)/2

244K

N₂ + 3H₂ ⇌ 2NH₃

52K

det| 12 1 ; 6 13 | = 150

7y² + 7y + 0 = 0

90K

det| 2 7 ; 7 3 | = -43

91K

CaCO₃ → CaO + CO₂

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

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

det| 11 7 ; 0 12 | = 132

∫₀^∞ e^(-x²) dx = √π / 2

137K

det| 7 4 ; 4 8 | = 40

197K

det| 7 5 ; 5 8 | = 31

1θ² + 2θ + 6 = 0

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

det| 5 1 ; 1 6 | = 29

ΔS ≥ 0

218K

d/dx [x^3] = 3x^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]