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 14:27Z

∑_{k=1}^{n} k = n(n+1)/2

det| 5 3 ; 2 6 | = 24

244K

10ω² + 7ω + 4 = 0

52K

det| 12 5 ; 4 13 | = 136

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

90K

11z² + 1z + 0 = 0

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

1β² + 4β + 0 = 0

100K

CH₄ + 2O₂ → CO₂ + 2H₂O

50K

det| 4 9 ; 7 5 | = -43

d/dx [x^3] = 3x^2

137K

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

197K

det| 1 1 ; 3 2 | = -1

F = G m₁m₂ / r²

262K

det| 7 4 ; 4 8 | = 40

196K

det| 12 9 ; 3 13 | = 129

det| 12 9 ; 5 13 | = 111

218K

∇ × E = −∂B/∂t

299K

F = ma

CaCO₃ → CaO + CO₂

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