Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:09Z
F = G m₁m₂ / r²
∫₀^∞ e^(-x²) dx = √π / 2
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
100K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
50K
det| 8 4 ; 0 9 | = 72
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 8 5 ; 3 9 | = 57
197K