Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Develop NIST standard reference tools to implement core statistics and metrology computations.


Coming soon.

Created January 5, 2010, Updated August 31, 2016