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 20:06Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

52K

6ω² + 3ω + 2 = 0

iħ ∂ψ/∂t = Ĥψ

90K

\oint_C \vec{F}\cdot d\vec{r} = 0

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

iħ ∂ψ/∂t = Ĥψ

100K

\frac{12}{7} \sum_{i=1}^{n} i^{2}

50K

F = G m₁m₂ / r²

137K

N₂ + 3H₂ ⇌ 2NH₃

197K

ΔS ≥ 0

262K

∫₀^∞ e^(-t²) dt = √π / 2

196K

8ψ² + 7ψ + 0 = 0

218K

2y² + 8y + 7 = 0

299K

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