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Center for Theoretical and Computational Materials Science (CTCMS) - The CTCMS develops, solves, and quantifies materials models using state-of-the-art computational approaches; creates opportunities for collaboration; and develops powerful new tools for materials theory and modeling and accelerating their integration into industrial research. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Materials Measurement Laboratory (MML)]

Engineering Statistics Handbook - An online tool to help scientists and engineers incorporate statistical methods in their work [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST)]

Fundamental and Computational Sciences Directorate - Research covers fundamental discoveries in biology, chemical and materials sciences, molecular science, atmospheric sciences, and computational sciences and mathematics. [U.S. Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

Guide to Available Mathematical Software - A cross-index and virtual repository of mathematical and statistical software components of use in computational science and engineering [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

Land and Waste Management Research - Many communities still struggle with a legacy of contaminated land and groundwater. EPA land and waste management research is reducing risks from such contamination, and developing less costly methods for rememdiation in ways that advance public health and community revitalization. [U.S. Environmental Protection Agency (EPA), Office of Research and Development]

Math Portal - Using the latest mathematics approaches and computational methods, researchers at the National Institute of Standards and Technology (NIST) provide state-of-the-art contributions that assist industry and academia in tackling some of the most difficult scientific, technical, and engineering problems and tasks. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Various laboratories]

Math, Statistics, and Computational Science - The site provides a variety of resources [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

Math: What’s the Problem? - International assessments show U.S. math students outperformed by those in many other countries. Research supported by NSF illuminates the role of teaching, curriculum and technology in math education, and demonstrates the importance of math education to all citizens. [U.S. National Science Foundation (NSF)]

Matrix Market - A visual repository of test data for use in comparative studies of algorithms for numerical linear algebra [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

NIST Data Gateway - The NIST Data Gateway-provides easy access to many (currently over 80) of the NIST scientific and technical databases. These databases cover a broad range of substances and properties from many different scientific disciplines. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Various laboratories]

Template Numerical Toolkit - The Template Numerical Toolkit (TNT) is a collection of interfaces and reference implementations of numerical objects useful for scientific computing in C++. The toolkit defines interfaces for basic data structures, such as multidimensional arrays and sparse matrices, commonly used in numerical applications. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

The Space Place - Games, animations, projects, and fun facts about Earth, space and technology [National Aeronautics and Space Administration (NASA)]

**Mathematics**### Narrower Topics:

## C

Center for Theoretical and Computational Materials Science (CTCMS) - The CTCMS develops, solves, and quantifies materials models using state-of-the-art computational approaches; creates opportunities for collaboration; and develops powerful new tools for materials theory and modeling and accelerating their integration into industrial research. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Materials Measurement Laboratory (MML)]

## E

Engineering Statistics Handbook - An online tool to help scientists and engineers incorporate statistical methods in their work [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST)]

## F

Fundamental and Computational Sciences Directorate - Research covers fundamental discoveries in biology, chemical and materials sciences, molecular science, atmospheric sciences, and computational sciences and mathematics. [U.S. Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

## G

Guide to Available Mathematical Software - A cross-index and virtual repository of mathematical and statistical software components of use in computational science and engineering [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

## L

Land and Waste Management Research - Many communities still struggle with a legacy of contaminated land and groundwater. EPA land and waste management research is reducing risks from such contamination, and developing less costly methods for rememdiation in ways that advance public health and community revitalization. [U.S. Environmental Protection Agency (EPA), Office of Research and Development]

## M

Math Portal - Using the latest mathematics approaches and computational methods, researchers at the National Institute of Standards and Technology (NIST) provide state-of-the-art contributions that assist industry and academia in tackling some of the most difficult scientific, technical, and engineering problems and tasks. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Various laboratories]

Math, Statistics, and Computational Science - The site provides a variety of resources [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

Math: What’s the Problem? - International assessments show U.S. math students outperformed by those in many other countries. Research supported by NSF illuminates the role of teaching, curriculum and technology in math education, and demonstrates the importance of math education to all citizens. [U.S. National Science Foundation (NSF)]

Matrix Market - A visual repository of test data for use in comparative studies of algorithms for numerical linear algebra [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

## N

NIST Data Gateway - The NIST Data Gateway-provides easy access to many (currently over 80) of the NIST scientific and technical databases. These databases cover a broad range of substances and properties from many different scientific disciplines. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Various laboratories]

## T

Template Numerical Toolkit - The Template Numerical Toolkit (TNT) is a collection of interfaces and reference implementations of numerical objects useful for scientific computing in C++. The toolkit defines interfaces for basic data structures, such as multidimensional arrays and sparse matrices, commonly used in numerical applications. [U.S. Department of Commerce (DOC), National Institute of Standards and Technology (NIST), Information Technology Laboratory (ITL)]

The Space Place - Games, animations, projects, and fun facts about Earth, space and technology [National Aeronautics and Space Administration (NASA)]