Science

Manufacturer and exporter of laboratory equipment, based in Solapur, India. Also deals in dehydrated media, liquid industrial chemicals, industrial minerals, lab chemicals and other supplies.

Developers of high precision measuring equipment for the analysis of gases, liquids and solid materials. Technology solutions are based on photo-acoustic spectroscopy and the Fourier transform infrared principle.

Suppliers of nondestructive testing equipment, ultrasonic thickness gauges, coating thickness gauges, durometers, force gauges, hardness testers and other testing and measuring instruments.

Supplier of a wide range of analytical instruments, lab equipment and supplies.

Manufacturer of steel laboratory furniture, fume hoods, acid and solvent cabinets for industrial, education and health care environments.

Installs, certifies and maintains fume hoods, laboratory furniture and lab casework in the southeastern United States.

Specializes in the planning, design, manufacturing, and installation of modular biocontainment, diagnostic, and research laboratories and vivariums.

Repair and maintenance of laboratory instruments.

Over 1300 individual reference materials each with carefully assigned values for chemical composition and physical properties.

Supplier of calibration equipment for pressure and flow. EA accredited calibration lab for all pressure equipment.

Supply color matching software, coating thickness, colorimeter, spectrophotometer and calibration repair service.

Provides repair and maintenance services for laboratory equipment and sales of refurbished equipment with warranty. Specializing in Genevac evaporators but experienced in all lab equipment.

European reseller of medical test equipment offering a range of products and software as well as calibration services, seminars and workshops for medical technicians. prices

A manufacturer of custom and standard research notebooks and standard lab books.

Acrylic storage dispensers for the high tech cleanrooms, medical/dental facilities and research/university laboratories.

Reducing, re-using and recycling alcohol, xylene and formalin in life sciences laboratories without the use of distillation apparatus. West Linn, OR, USA.

Tribology testing division.

Mailing list for use by the Universal Algebra community. Universal Algebra is a technical branch of mathematics related to algebra and model theory.

Graphical demonstrations developed by Douglas N. Arnold for the first year calculus student.

This is a clearly written tutorial with plenty of graphic aids. Meant as an introduction for nonspecialists. Covers many of the basics, including differentiation.

An online book by H. Jerome Keisler. Covers differentiation, continuous functions, integration, limits, applications, infinite series, vector calculus and differential equations.

Discusses the mathematical theory of Kleinian groups. Includes illustrations, examples, formalism and program source code.

Collection of encyclopedia articles about self-similar geometric objects with both aesthetical and scientific uses.

A discussion forum for students and teachers of mathematics at school, college and advanced levels, including homework help for students.

News and discussions on the mathematical arts.

A forum to ask and answer research level mathematics questions.

Tilings of squares and rectangles, the classical problem and variations.

Enumeration of polyhedra with up to 9 faces by Steven Dutch.

Explicit solutions provided for this particular type of equation and their relations to the heat equation, Burger's equation, and Euler's equation.

Directory of on-line mathematics, mainly research literature. At Göttingen, Germany.

Virtual exhibit looks at the ways people use math every day, from cooking to planning for retirement. Offers teachers labs and workshops.

Books, games, hints, tricks.

Interactive site allows students to solve a real world problem using science and mathematics. Learn about vectors by using real-time weather maps and by tracking real planes flying in the U.S. skies.

Information for job seekers compiled by Prof. Richard Penney at Purdue University Department of Mathematics.

Front for the Mathematics Arxiv of eprints section HO: biographies, philosophy of mathematics, mathematics education, recreational mathematics, communication of mathematics.

A unified approach to covering systems, restricted sumsets and zero-sum problems by Zhi-Wei Sun.

A paper by David M. Russinoff describing the use of the Boyer-Moore theorem prover in mechanically generating a proof of the Law of Quadratic Reciprocity. PS/PDF.

Algorithm and source code for the calculation of square-free numbers and gaps.

By Peter Borwein and Loki Jörgenson. Recognising number patterns visually.

Tracking moving interfaces in computational geometry, materials sciences, robotics, image processing, and fluid mechanics; numerical techniques based on partial differential equations.

Promotes the development and application of Bayesian statistical theory and methods useful in the solution of theoretical and applied problems in science, industry and government.

CAARMS addresses critical issues involving African-American researchers and graduate students in the mathematical sciences.

National mathematics society. Includes staff, conference details and archived newsletters.

A forum for discussion between mathematical societies and for making representations to government and other bodies and responses to their enquiries.

New Zealand organisation to encourage and support the teaching and learning of Mathematics. Events and Cantmath competition news.

A nonprofit organization dedicated to encouraging and promoting women and girls in the mathematical sciences including pure and applied mathematics and statistics. Site has newsletters, events and resources including job adverts.

Scans of print journals, with 10 major math journals (requires subscription).

The Electronic Library of Mathematics is offered by the European Mathematical Society (EMS) in cooperation with FIZ Karlsruhe / Zentralblatt MATH. Online journals, article collections, and monographs in electronic form: access is free.

Full text from about 40 research journals (free).

An extensive list of web resources for recreational math.