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 14:56Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

iħ ∂ψ/∂t = Ĥψ

52K

det| 12 5 ; 4 13 | = 136

∫₀^∞ e^(-y²) dy = √π / 2

90K

∑_{k=1}^{n} k = n(n+1)/2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

det| 6 4 ; 4 7 | = 26

100K

CH₄ + 2O₂ → CO₂ + 2H₂O

50K

det| 4 9 ; 7 5 | = -43

2β² + 9β + 3 = 0

137K

∑_{k=1}^{n} k = n(n+1)/2

197K

det| 1 1 ; 3 2 | = -1

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

262K

det| 9 4 ; 1 10 | = 86

196K

F = G m₁m₂ / r²

218K

∑_{k=1}^{n} k = n(n+1)/2

299K

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