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 20:50Z

∑_{k=1}^{n} k = n(n+1)/2

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

244K

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

52K

6ω² + 3ω + 2 = 0

5r² + 7r + 0 = 0

90K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

91K

CH₄ + 2O₂ → CO₂ + 2H₂O

det| 6 4 ; 4 7 | = 26

100K

det| 2 4 ; 4 3 | = -10

50K

det| 8 3 ; 4 9 | = 60

PV = nRT

137K

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

197K

9x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

262K

det| 9 4 ; 1 10 | = 86

196K

∑_{k=1}^{n} k = n(n+1)/2

218K

det| 11 9 ; 0 12 | = 132

299K

[ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27]