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 14:29Z

∑_{k=1}^{n} k = n(n+1)/2

det| 1 4 ; 2 2 | = -6

244K

E = mc²

52K

det| 12 5 ; 4 13 | = 136

det| 7 4 ; 4 8 | = 40

90K

F = G m₁m₂ / r²

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

2H₂ + O₂ → 2H₂O

100K

\lim_{t\to 0} \frac{\sin t}{t} = 1

50K

det| 4 9 ; 7 5 | = -43

11t² + 6t + 6 = 0

137K

det| 4 8 ; 3 5 | = -4

197K

det| 1 1 ; 3 2 | = -1

∇ × E = −∂B/∂t

262K

det| 3 6 ; 0 4 | = 12

196K

ΔS ≥ 0

218K

[ 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]