Foundational Subjects

Mathematics | Physics | Electronics | Ethics | General Science


Graphics for Calculus

From Douglas N. Arnold The animations on this page use the animated GIF format. There is also a Java version of this page. The Java animator allows you to start and stop the animation, advance through the frames manually, and control the speed.

The Calculus Toolkit

Several tools are available to perform specialized calculations e.g. find the equation of the tangent line to the graph of a function at a particular point.

The Integrator

From Wolfram Research This page contains an integral calculator and links of integral interest.

A mathematical resource. A presentation of work attempting to solve Kepler's Equation of Elliptical Motion. A presentation of a unique greenhouse design.


History of Mathematics

David E. Joyce, Department of Mathematics and Computer Science, Clark University

Introduction to Fractals

David G. Green, Environmental and Information Sciences, Charles Sturt University

Math Software Guide

A cross-index and virtual repository of mathematical and statistical software components of use in computational science and engineering. This guide is a service of the Mathematical and Computational Science Division within the Information Technology Laboratory of the National Institute of Standards and Technology.

Mathematical Museum and Exhibitions

Founded in 1980 by the late Bernard Goudreau, an engineer and mathematics teacher, the Math Museum has developed into a unique learning and resource center for adults students and teachers. Presently, it reaches more than 15,000 persons annually through workshops, programs, special events, and exhibitions.

Mathematical Resources by Subject

The Table of Contents lists the main sections of the 1995 Mathematics Subject Classification. Under each heading may be found some links to electronic journals, preprints, Web sites and pages, databases and other pertinent material. There is also a page of Materials Organized by Mathematical Topics. This page was developed from the list at Trinity College Dublin made by D.R. Wilkins.


A page of biographical links from the Hong Kong Baptist University Scientific Computing Laboratory

Mathematics Archive

Includes teaching materials, software and other features

A technical computing portal site

Mathematics Index

From Florida State University

Math On Web

An interactive math utilities page

Symbolic Mathematical Computation Information Center provides a convenient starting point for discovering information about SAC (Symbolic and Algebraic Computation). While being maintained by ICM at Kent State University, SymbolicNet also links to information supplied and updated by individuals, and cooperating sites.

The Pi Pages

Everything you wanted to know about Pi

Center for Non-Linear Studies

Los Alamos National Laboratory, Operated by the University of California for the National Nuclear Security Administration by the US Department of Energy

Society for Industrial and Applied Mathematics

SIAM's World Wide Web home page offers online access to our electronic journals, the complete book catalog, conference programs and announcements, SIAM News professional opportunities and articles, membership information, TEX resources, SIAM people, the World of Mathematics and Computing, career information, and more.


Electronic Statistics Textbook

The Electronic Textbook begins with an overview of the relevant elementary (pivotal) concepts and continues with a more in depth exploration of specific areas of statistics, organized by "modules," accessible by buttons, representing classes of analytic techniques. A glossary of statistical terms and a list of references for further study are included.

Statistics Every Writer Should Know

So what should you ask a number? Well, mathematicians have developed an entire field - statistics - dedicated to getting answers out of numbers. Now, you don't have to have a degree in statistics in order to conduct an effective "interview" with your data. But you do need to know a few basics.

Statistics Library Index

Data, software and news from the statistics community

Math Software


The Maple system is an advanced, mathematical problem solving and programming environment. The analytical engine that powers Maple includes a powerful symbolic computation system that expresses and manipulates complex mathematics using automated mathematical formalisms and knowledge systems. The University of Waterloo’s Symbolic Computation Group (Waterloo, Canada) initially developed the Maple symbolic technology.


MathSoft is the leading provider of math, science and engineering software solutions for business, academia, research and government.


While remaining privately held, Wolfram Research has been continuously profitable, and it has thus been able to fund unusually long-term R&D projects and to port Mathematica, its flagship product, to a wide selection of operating systems.


Customers include 500,000 of the world's leading technical people, in over 100 countries, on all seven continents (including Antarctica). These technical people work at the world's most innovative technology companies, government research labs, financial institutions, and at more than 2,000 universities. They rely on us because MATLAB and Simulink have become the fundamental tools for their engineering and scientific work.

Physics General

Curious Objects

Look up unfamiliar physics terms or browse images from the Hubble Space Telescope.

Exploring Gravity

Created by Mariusz Kovler

Harmonic Oscillators

Energy in Simple Harmonic Motion (SHM): Different Simple Harmonic Oscillators

Nobel Prize

List of physics winners since 1901

Pictures of Famous Physicists

The complete picture gallery contains 351 pictures, a text-based version and is alphabetically sorted.

Spreading Resistance Analysis

From Solecon Laboratories Incorporated

The World of Materials

Institute for Materials Research at State University of New York, Binghamton

Time & Frequency

The Time and Frequency Division, part of NIST's Physics Laboratory, maintains the standard for frequency and time interval for the United States, provides official time to the United States, and carries out a broad program of research and service activities in time and frequency metrology.

The Institute of Physics

The Institute of Physics is an international learned society and professional body for the advancement and dissemination of physics, pure and applied, and promotion of physics education.

Fermi National Accelerator Laboratory

Fermi National Accelerator Laboratory advances the understanding of the fundamental nature of matter and energy by providing leadership and resources for qualified researchers to conduct basic research at the frontiers of high energy physics and related disciplines.


Crystal Structures

3D crystal structures in VRML (Virtual Reality Modelling Language) may be generated from a variety of standard crystallographic formats using xtal-3d an application developed at ILL by Marcus Hewat using the CCSL Cambridge Crystallographic Subroutine Library (P.J. Brown and J. Matthewman).

Glossary of Misused Physics Terms

By Donald E. Simanek, Lock Haven University. Technical terms of science have very specific meanings. Standard dictionaries are not always the best source of useful and correct definitions of them.

Web Elements

WebElements aims to be a high quality source of information on the WWW relating to the periodic table. Coverage is such that professional scientists and students at school will all find something useful.



Digi-Key Catalog

Digi-Key Corporation is one of the fastest growing electronic distributors in the United States. It offers off-the-shelf delivery on literally tens of thousands of electronic components and related accessories.

ElectroSonic Catalog

Electro Sonic, Canada's leading full-service electronic component distributor, has been building partnerships with Canadian business for 50 years.

Circuits and Devices

Chip Directory

Hitex’s product range extends from in-circuit emulators, monitors, simulators, debuggers, analyzers and evaluation boards all the way to the innovative PressOn adaptation solution. An extensive expertise of emulation technology and application in sophisticated tools makes up the technical strength of Hitex.

Circuits Archives

Department of Electrical Engineering, University of Washington

Class A Transistor Amplifier

Pure A class is the most simple topology for designing an amplifier! The tube or the power transistor is loaded directly by the speaker (often thru a transformer, fro impedance matching!), and is biaised at the current necessary for full modulation (that means a maximum power dissipation for no input signal).

Cookbook Archives

This is the the University of Alberta Circuit "Cookbook" archive. The purpose of the site is to provide a place for electronics enthisiasts to share circuit ideas with others.

Exhaustive Semiconductor Manufacturer's List

This site's specialty is serving the semiconductor user and manufacturer as well as the supporting industries associated with them. Users from all over the world are kept up to date with timely news, information on new start-up companies and current technologies through the use of this website.

Low-pass filter, High-pass filter, Band-pass filter

Integrated Microwave is a leading designer and manufacturer of precision IF, RF and microwave filters and integrated multifunction modules for the aerospace, defense, test equipment and communications industries.

Transistor Selector

Silicon Transistor Selector Guide from NTE Electronics, Inc.


EE Device & Materials Glossary

Welcome to the Website of Principles of Electronic Materials and Devices. This is an educational website that provides additional resources to those individuals who have purchased a copy of the current edition of the book; at present this is the Second Edition.


DATA I/O Canada Corp.

Data I/O, located in the heart of the Pacific Northwest, is the leading provider of programming and automated device handling, programming and marking systems for programmable integrated circuits. For over 25 years they’ve been at the forefront of programmable device technologies, providing design and manufacturing solutions covering the entire spectrum of programmable device applications.

Fluke Electronics (Measuring Equipment)

Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries.

International Rectifier

International Rectifier (IR) (Symbol:IRF--NYSE) provides enabling technologies for products that work smarter, run cooler, and raise the world's productivity-per-watt. The world's largest industry is electronics, and over the long term, global demand for power electronics makes IR's role more important and our contribution more valuable.

Keithly Instruments Inc.

Keithley markets highly accurate instruments and data acquisition products, as well as complete system solutions for high-volume production and assembly testing.

Pericom (Analog Switches)

Pericom (NASDAQ: PSEM) is a leading provider of high-performance digital and mixed-signal integrated circuits (ICs) that serve as interface ICs in electronic systems. The company’s product line offers a wide range of advanced interface solutions for the transfer, routing and timing of high-speed analog and digital signals among a system’s microprocessor, memory and various peripherals, or between interconnected systems.


Questlink Chip Center

The industry’s biggest and best source of free technical information, datasheets, application notes, news and product reviews about the universe of available components.

EE Toolbox is a community portal indexing the best of the web for embedded systems, dsp, real-time/rtos, board-level computing, soc and more.

GaAs Links

154 links to other GaAs resources

Industrial Electronics

A collection of links edited by Norman Dyrvik

Ion Beam Implantation Links

Case Technology presents Ion Implantation

The Electronics Manufacturing Guide

from CircuitWorld Online Services, a leading provider of information and commercial services to the Electronics Manufacturing Industry.

The Semiconductor Subway

The Semiconductor Subway provides links to all manner of semiconductor and microsystems related information, including fabrication facilities, research activities, standards work, etc.



APLAC is an object-oriented analog circuit simulation and design tool. It was originally created by professor Martti Valtonen.

Cadsoft Computer, Inc. (PCB Designs)

CadSoft offers user friendly, powerful and affordable solutions for PCB design, including Schematic Capture, Board Layout, and Autorouter.

Electronics Workbench (Simulation Software)

Electronics Workbench is recognized around the globe for developing highly advanced, yet easy-to-use Electronic Design Automation (EDA) tools for design engineers, educators, and students.

Intusoft (Circuit Design Tools)

Intusoft designs, develops and markets analog and mixed signal circuit design tools worldwide, backing each product with a comprehensive service and support program.


Micro-Cap 7 is an integrated schematic editor and mixed analog/digital simulator that provides an interactive sketch and simulate environment for electronics engineers. Since its original release in 1982, Micro-Cap has been steadily expanded and improved.


CircuitMaker 2000 is your Virtual Electronics Lab, allowing you to design, simulate and output your printed circuit board designs.


A great introduction into the products and services of Cadence PCB. Learn about our latest technology and product developments. Take an animated guided tour of your favorite product. You'll find demo CDs, downloads, datasheets, and fact sheets. Locate a Cadence PCB office or value-added reseller.

Teaching Resources

EE Training Systems (LabVolt)

Lab-Volt is committed to efficient and effective student mastery of technical subject matter. We provide educators with innovative, cost-effective training systems and dedicated after-sales support.

Training Resources for Electronics (ETCAI)

No curriculum, textbook or lesson plan changes are required! Simply load our software on your computers and assign students the appropriate activities. You can track their progress by using printed certificates or by having students store scores on diskettes. You can even give students a copy to use on their home computers with our unlimited site licenses!

Java Applets for Electrical Engineering

Applets for Heterogeneous Modeling and Design

Ptolemy Project, University of California, Berkeley

Color Coded Resistance Calculator

Written by Jarid B. Lukin, Class of '98, University of Pennsylvania, Electrical Engineering Department

EE Applets

From Portland State University

Engineering Applets

Java Applets for Engineering Education, A project funded by the National Science Foundation. William Devenport, Rakesh Kapania, Kamal Rojiani, Kusum Singh (PIs), Virginia Tech


Engineering Ethics

Engineering ethics is attracting increasing interest in engineering universities throughout the nation. At Texas A&M University, evidence of this interest in professional ethics culminated in the creation of a new course in engineering ethics, as well as a project funded by the National Science Foundation to develop material for introducing ethical issues into required undergraduate engineering courses.

Engineering Ethics Module

Murdough Center for Engineering Professionalism, Texas Tech University, Lubbock, Texas

Professional Engineers Ethics

The National Society of Professional Engineers (NSPE) is the only engineering society that represents individual engineering professionals and licensed engineers (PEs) across all disciplines.

General Science


Articles on SMET from Information Technology and Disabilities E-journal

Following are links to all of the articles published over the years on the topics of science and math in EASI (Equal Access to Software and Information)'s e-journal.

Elseveir Science

Working with the world's most respected scientists and researchers, Elsevier Science has set a high standard for quality. Its publications are written and edited by international scholars with excellent technical and scientific credentials, and wide research and teaching experience in their fields.

MIT Research Digest

These brief summaries of MIT research are drawn from several sources and are issued throughout the year.

Science Daily

ScienceDaily is one of the Internet's leading online magazines and Web portals devoted to science, technology, and medicine. The free, advertising-supported service brings you breaking news about the latest discoveries and hottest research projects in everything from astrophysics to zoology.

Scientific Computing & Instrumentation Online

The online version of the magazine from Reed Business Information

Readout Instrumentation Signpost

Measurement, Control and Automation Resources throughout the World

LIMS Guide Online

A vendoe guide from Scientific Computing


The LIMSource consolidates various resources for Laboratory Information Management Systems (LIMS) and lab data management information into a single location to make your on-line search as quick, simple and easy as possible.


The Analytical Spectorscopy Research Group of the University of Kentucky, HPLC Users Guide

For those interested in purchasing or using an HPLC we have included a list of manufacturers, a troubleshooting guide, technical assistance, and a bibliography to help reduce your personal research and referencing time. Once you have completed the theory of operation, you will be qualified to take a quick quiz to test your understanding of HPLC systems.

The USGS Spectroscopy Lab

Researchers at the USGS Spectroscopy Lab are studying and applying methods for identifying and mapping materials through spectroscopic remote sensing (called imaging spectroscopy, hyperspectral imaging, imaging spectrometry, ultraspectral imaging, etc), on the earth and throughout the solar system using laboratory, field, airborne and spacecraft spectrometers.


American Chemical Society

The American Chemical Society is a self-governed individual membership organization that consists of more than 163,000 members at all degree levels and in all fields of chemistry. The organization provides a broad range of opportunities for peer interaction and career development, regardless of professional or scientific interests. The programs and activities conducted by ACS today are the products of a tradition of excellence in meeting member needs that dates from the Society's founding in 1876.

ChemWeb is a unique combination of a wide range of information relevant to anyone in chemical research and the chemicals industry.