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 20:16Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

244K

F = G m₁m₂ / r²

52K

6ω² + 3ω + 2 = 0

λ = h/p

90K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

iħ ∂ψ/∂t = Ĥψ

100K

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

50K

det| 8 3 ; 4 9 | = 60

2y² + 8y + 7 = 0

137K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

197K

9x² + 3x + 6 = 0

10y² + 5y + 6 = 0

262K

det| 9 4 ; 1 10 | = 86

196K

9ψ² + 3ψ + 3 = 0

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

218K

det| 6 8 ; 7 7 | = -14

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