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 22:49Z

F = G m₁m₂ / r²

∑_{k=1}^{n} k = n(n+1)/2

244K

∫₀^∞ e^(-t²) dt = √π / 2

52K

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

2H₂ + O₂ → 2H₂O

90K

det| 11 2 ; 5 12 | = 122

91K

2H₂ + O₂ → 2H₂O

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

100K

∫₀^∞ e^(-x²) dx = √π / 2

50K

det| 8 4 ; 0 9 | = 72

det| 9 4 ; 1 10 | = 86

137K

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

197K

det| 3 1 ; 4 4 | = 8

det| 5 3 ; 2 6 | = 24

262K

det| 10 5 ; 4 11 | = 90

196K

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

218K

[ 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]