Scientific Reference :: Smashing Directory

This website is dedicated to providing ways to gain math problem solving skills and to develop conceptual understanding of fundamental mathematics for students.

Expanding reference resource for science, math and astronomy

Searchable directory, arranged by field, of equations, constants, symbols and SI units. Also features LaTEX utilities, software links.

Includes physical constants, online unit conversions, periodic table of elements, exact time, fundamental physical formulae and equations.

Searchable database for reports that are generated by federally funded projects.