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 14:52Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

det| 7 4 ; 4 8 | = 40

52K

det| 12 5 ; 4 13 | = 136

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

90K

∑_{k=1}^{n} k = n(n+1)/2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 6 4 ; 4 7 | = 26

100K

6x² + 6x + 1 = 0

50K

det| 4 9 ; 7 5 | = -43

10ω² + 7ω + 4 = 0

137K

d/dβ [β^2] = 2β^1

197K

det| 1 1 ; 3 2 | = -1

3z² + 5z + 1 = 0

262K

∇ × E = −∂B/∂t

196K

F = G m₁m₂ / r²

218K

det| 8 5 ; 3 9 | = 57

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]