Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 02:50Z
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
428K
det| 11 1 ; 1 12 | = 131
∫₀^∞ e^(-φ²) dφ = √π / 2
\lim_{n\to 0} \frac{\sin n}{n} = 1
∫₀^∞ e^(-φ²) dφ = √π / 2
95K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 1 ; 3 4 | = 9