Science Directory
Since 2005
Home | Search | New Listings | Top Listings | Popular Listings | Submit Site offers many resources & information about earth sciences, chemistry, distributed computing, agriculture, cognitive science, energy, complex systems.


Professional statistical data analysis services for students and researchers.
features puzzles, fractals, games, lessons, calculators, and more.
free educational web site featuring interactive math lessons with a problem-solving approach.
mistakes made over and over by advertisers, the media, reporters, politicians, activists, and in general many non-math people.
Tutorials, games, and simulations of mathematical ideas in science.
seeks to promote and encourage interest in mathematics for everyone. Offers hands-on exhibits and workshops for all age groups.
information related to multigrid, multiscale, and domain decomposition methods: preprints, tutorials, codes, monthly newsletters, and a large BibTex database.
math quotes, mini-texts and definitions.
online course on measure theory, lebesgue integration, and probability. Individual lessons appear in PDF format.
papers that explore a new point of view on the calculus, inspired by the realization that a stronger definition of the limit can banish divergence from the logical foundations of the subject.
offers help on grade school to college level math questions by live mathematicians. Large archive of answered questions and collection of detailed solutions.
features links to, and software for, building proofs in logic and set theory.
attempting to reconstruct mathematical vernacular.
considers and publishes class-tested, web-based learning materials.
provides a description of ongoing work as well as an extensive collection of research reports and software for wavelets, filter design and algorithm development.
games, flashcards, and homework help for elementary students.
grades K-6. Flashcards for learning arithmetic, 'Ask the Experts' and math biographies.
searchable and browsable catalog of Internet-based resources in mathematics selected by subject specialists. Part of the Enhanced and Evaluated Virtual Library (EEVL).
features online construction of magic squares, history, and examples.