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 14:36Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-n²) dn = √π / 2

244K

d/dt [t^3] = 3t^2

52K

det| 12 5 ; 4 13 | = 136

∫₀^∞ e^(-θ²) dθ = √π / 2

90K

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

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

E = mc²

100K

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

50K

det| 4 9 ; 7 5 | = -43

11z² + 3z + 4 = 0

137K

6r² + 3r + 1 = 0

197K

det| 1 1 ; 3 2 | = -1

det| 9 4 ; 1 10 | = 86

262K

∑_{k=1}^{n} k = n(n+1)/2

196K

CaCO₃ → CaO + CO₂

218K

∇ × E = −∂B/∂t

299K

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