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 18:03Z

det| 11 8 ; 0 12 | = 132

det| 4 8 ; 3 5 | = -4

244K

∑_{k=1}^{n} k = n(n+1)/2

52K

N₂ + 3H₂ ⇌ 2NH₃

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

90K

det| 1 4 ; 2 2 | = -6

91K

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

det| 7 4 ; 4 8 | = 40

100K

∑_{k=1}^{n} k = n(n+1)/2

50K

CH₄ + 2O₂ → CO₂ + 2H₂O

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

137K

F = G m₁m₂ / r²

197K

∇²ψ = 0

262K

∇ × E = −∂B/∂t

196K

4y² + 3y + 7 = 0

218K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

299K

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