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 14:08Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

244K

∫₀^∞ e^(-t²) dt = √π / 2

52K

det| 12 5 ; 4 13 | = 136

F = ma

90K

∑_{k=1}^{n} k = n(n+1)/2

91K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

6r² + 3r + 1 = 0

100K

det| 2 6 ; 0 3 | = 6

50K

det| 4 9 ; 7 5 | = -43

N₂ + 3H₂ ⇌ 2NH₃

137K

det| 7 4 ; 4 8 | = 40

197K

det| 1 1 ; 3 2 | = -1

\frac{12}{6} \sum_{i=1}^{n} i^{2}

262K

F = G m₁m₂ / r²

196K

∑_{k=1}^{n} k = n(n+1)/2

218K

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