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 14:53Z

∑_{k=1}^{n} k = n(n+1)/2

ω = 2πf

244K

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

52K

det| 12 5 ; 4 13 | = 136

e^{i\pi} + 1 = 0

90K

CaCO₃ → CaO + CO₂

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

∇ × E = −∂B/∂t

100K

F = G m₁m₂ / r²

50K

det| 7 4 ; 4 8 | = 40

137K

∂y/∂γ = 8y

197K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

262K

1θ² + 7θ + 4 = 0

196K

6x² + 6x + 1 = 0

218K

det| 2 7 ; 7 3 | = -43

299K

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