Can I calculate z-score with R?

Possible Duplicate:
R, correlation: is there a func that converts a vector of nums to a vector of standard units

By reading stackoverflow’s comments, I found z-score maybe calculated with Python or perl, but I did not comes across any for R yet. Did I miss it? Is it possible to be done with R?

As (

z-score = (x-μ)/σ

x is a raw score to be standardized; 
μ is the mean of the population; 
σ is the standard deviation of the population. 

I believe there are R packages designed for this? Where can we found them? Or similar package for normalization?

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