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 14:32Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 4 ; 4 8 | = 40

244K

∇ × E = −∂B/∂t

52K

det| 12 5 ; 4 13 | = 136

det| 4 8 ; 3 5 | = -4

90K

det| 2 4 ; 4 3 | = -10

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∂α/∂r = 8α

100K

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

50K

det| 4 9 ; 7 5 | = -43

∇ × E = −∂B/∂t

137K

F = G m₁m₂ / r²

197K

det| 1 1 ; 3 2 | = -1

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

262K

det| 2 7 ; 7 3 | = -43

[ 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]