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 20:23Z

∑_{k=1}^{n} k = n(n+1)/2

det| 4 8 ; 3 5 | = -4

244K

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

52K

6ω² + 3ω + 2 = 0

det| 4 2 ; 3 5 | = 14

90K

F = G m₁m₂ / r²

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

100K

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

50K

det| 8 3 ; 4 9 | = 60

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

137K

6r² + 3r + 1 = 0

197K

9x² + 3x + 6 = 0

det| 5 6 ; 1 6 | = 24

262K

∇ × E = −∂B/∂t

196K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

8ψ² + 7ψ + 0 = 0

299K

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