Science

Korean manufacturer of UV-VIS spectrophotometers and colour measurement systems.

Manufacturers of a variety of thermocouples including thermocouple assemblies, and resistive temperature detectors.

Manufactures a wide range of thermocouple assemblies for all types of industrial uses.

Designer and manufacturer of multipoint digital temperature acquisition systems engineered for extreme conditions. Temperature acquisition cables, data logging and installation solutions are built to suit.

Manufacturer of temperature sensors, thermocouples and pressure gauges. Ahmedabad, India.

Used and refurbished lab equipment, Waters HPLC, autosamplers, mass spectrometers, pharmaceutical equipment and analytical instruments.

New and used laboratory equipment and HP computers for sale.

Sells used and surplus scientific and laboratory instrumentation. Fairly extensive list.

Used vacuum equipment, including a categorized list of various small and large vacuum equipment.

Used scientific equipment, storage of unused equipment, and repair of laboratory equipment.

Used and surplus laboratory, analytical, and biotech equipment and instrumentation.

Global supplier of remanufactured analytical and scientific lab equipment.

UK company offers new and second hand laboratory and medical equipment for sale. A free newsletter with regular updates on UK and European auctions of used equipment is available.

Provides new and used/ refurbished/ preowned lab equipment and supplies for the medical and laboratory research companies. Specializes in purchasing, certifying, reselling screening, and lab automation.

Distributor of Alcatel, Arun Microelectronics Ltd., Andonian Cryogenics, CTI-Cryogenics, IntelVac, Evac, Granville Phillips, Veeco, Mykrolis, Nor-cal and custom made vacuum products.

Parts and service for electron beam power supplies and electron beam guns.

Offers a full range of vacuum UHV equipment for thin films and surface technology such as mini electron beam evaporators, plasma sources, sputter sources, effusion cells, hydrogen crackers, MCP microChannel plates.

Manufacturer of various vacuum components in China including vacuum flanges and fittings, valves, turbomolecular pumps and custom vacuum chambers. Also supplies machining equipment.

A supplier of laboratory balances, weighing equipment and scales to the marketplace. They also calibrate and service test weights, thermometers and force gauges. They repair all manufacturers scales and balances

Manufacturer of digital scales for a wide range of weighing applications for home or small business.

Ion selective probes, cation as well as anion selective probes and instrumentation. Computer and data acquisition hardware.

Manufacturer of pH meters, ORP meters, conductivity meters, dissolved oxygen meters, ion meters and temperature meters. ISO certified manufacturer, CE approved products.

Enclosures for isolation of laboratory robotic and automated processes.

Clean air applications, from single cabinet to large Class 10 cleanroom.

Maintained by Andrej Dujella, University of Zagreb.

Division of Natural Science and Mathematics.

Interactive homework problems. Topics include Pre-Algebra, linear Algebra and other college Algebra.

An educational game for those wanting a fun way to learn and practice algebra.

Explains the process of making and proving conjectures about the behavior of equations that a repetitive trait, such as summation formulas. Includes the rules for a valid induction and some examples.

This expository article is an entry in the Stanford Encyclopedia of Philosophy.

Web page for the category theory mailing list.

An illustrated guide book by Eugenia Cheng and Aaron Lauda.

A Maple package for computations in Clifford algebras of an arbitrary bilinear form. Includes documentations of new features and installation information, as well as downloads of the software.

Group theory in: Robotics, Problem-Solving, Planning, Learning, Language, Perception, Art, Design, Engineering, Manufacturing, Epistemology, Measurement, Computation, Neuroscience, Anthropology, Semiotics.

The main point group symmetries of interest to defect physics by operation (reflection, rotations etc) and classification (trigonal, and cubic). Most point groups also have the associated character table on-line.

A fairly easy to understand tutorial. Fourteen sections, including groups, Cayley tables, subgroups, cosets, Lagrange's theorem, cyclic groups and subgroups, permutations, and Rubik's cube.

It covers systems of linear equations, matrix inverse, equivalence, linear independent and eigen values.

Exact linear algebra computation tools and downloads.

Step by step solutions of problems such as Gauss-Jordan reduction, calculating the determinant, and finding a basis of a space spanned by given vectors.

An approach unifying the notions of system of equations, matrix inversion, and linear programming.

Lecture notes and solutions from 1991 in PDF or PostScript.

an online text book covers systems of linear equations, matrix algebra, and finite-dimensional vector spaces.

Shinshu University. Representation Theory of Finite Groups; Algebraic Combinatorics; Computational Algebra.

Compiled by A.D. Bell.

Genoa University. Computational Commutative Algebra. Publications, CoCoA resources.

Research themes: diagonal invariants of the symmetric group, applications of classical invariant theory.

European research network involving IUA Antwerp, Bielefeld-Chemnitz, Essen, Leeds, Paris VI and Trondheim; Edinburgh-Glasgow, Ioannina, Murcia and Torun.

Commutative Algebra Seminar. Meetings.

A general purpose easy program for It is built on top of its own programming language designed for symbolic manipulation of math symbols. Includes information on how to use the software.

Collated by Computer Algebra Fachgruppe, Mannheim.