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Engineering
Unit Conversion &
Scientific Calculators

Electrical &
Computer
Engineering

Electrical Engineering
1st & 2nd Year

Computer Science
1st & 2nd Year

555 Timers

Accelerator Research
Amplifier

Antenna | Annealing
Architecture | A.I.

Bandstructure | Bandwidth
BGA | Buck Converter

Cable/Wireless etc.
Capacitors

CD-ROM, CD-R & CD-RW

Circuit Board Design
Circuits/Circuit Design

Computer Chip Chemistry

Computer Hard Drive
Computer Modeling
Computer Monitors

Conduction
Current/Voltage/Frequency
Digital Filter Design
Diffraction
Discrete Systems

Electricians Toolbox

Electromagnetic Forces
Electromagnetic Spectrum

Floating Point Performance
Four-Bar | Fourier
Gravity & Other Forces

Harmonics
Heat Transfer

Impedance, Inductance
& Capacitance

Linear Programming
& Algorithms

LT | Microstrip
Microwave
Mixer Applications

Motors
Network (IP, Subnet etc.)

Neural Networks

Oscilloscope
OHMS Law

Petri-Net

Photelectric Effect
Photon Energy

Photovolataic/Solar

Power/Transformers
& Generators
Power Electronics

Quantum Computers
Quartz

Raceway Fill
Radio Design
Receivers | Resistors
Robotics | Scanners

Semiconductors
& Microelectronics
Materials & Properties

Semiconductors
& Microelectronics
Devices

Signals, Systems & Controls

Software Development
Spectrum Analysis
Speech Recognition
Strain Gages

TBS-EDS
Tesla Coil
Transistors

Transmission Line
Turing Machines
Voltage Drop | Wave

Engineering
Unit Conversions

Unit Conversion, Scientific etc.

FOR MORE UNIT CONVERSION CALCULATORS SEE MATHEMATICS CALCULATORS CENTER

International System of Units

INTERNATIONAL SYSTEM OF UNITS - Physics Laboratory, National Institute of Standards For more information see The NIST Reference on Constants, Units, & Uncertainty; Physical Reference Data or the Physics Laboratory, National Institute of Standards and Technology

Some exaples include

SI Units

SI Prefixes

Fundamental Physicsal Constants

Engineering/Scientific - Intergrals Calculators

INTEGRALS: THE INTEGRATOR - Wolfram Research, Inc "The Power To Do Integrals As The World Has Never Seen Before". For more information see Wolfram Research, Inc

Engineering Specfic Unit Conversion Calculators - Some Examples

ENGINEERING, SCIENTIFIC UNIT CONVERTER - Legacy Systems VERY VERY EXTENSIVE. For more information see Legacy Systems

INTERACTIVE UNIT EQUIVALENCY CONVERTER CALCULATOR - TRIATEK "This utility allows you to convert from one engineering scale to another." For more information see TRIATEK Interactive Engineering Tools or TRIATEK

Other Equivalency Converters include

Interactive Unit Equivalency Table Generator

Engineering Energy Unit Conversion Calculators

CONVERSION FACTORS FOR ENERGY EQUIVALENTS - CALCULATOR - Physics Laboratory, National Institute of Standards Includes: Joule (J); kilogram (Kg); inverse meter (1/m); hertz (Hz); kelvin (K); electron volt (eV); atomic mass unit (u); and hartree (Eh). For more information see International System of Units (SI); The NIST Reference on Constants, Units, & Uncertainty; Physical Reference Data or the Physics Laboratory, National Institute of Standards and Technology

ENERGY CALCULATOR/CONVERTER - EE/BTS Test Site, Pacific Northwest National Laboratory (PNL) & the Office of Building Technology, State and Community Programs, Department of Energy VERY VERY EXTENSIVE. Conversion examples include: Quads to Billion Kilowatt Hours; Quads to Million Metric Tons of Coal; Quads to Trillion Cubic Ft. of Natural Gas; Quads to Million Tons of Oil Equivalent; Quads to ExaJoules. For more information see EE/BTS Test Site; Building Energy Data or the Office of Building Technology, State and Community Programs

Engineering Chemical & Thermodynamics Unit Conversion Calculators

CONVERSION FACTORS FOR ENERGY EQUIVALENTS - CALCULATOR - Physics Laboratory, National Institute of Standards Includes: Joule (J); kilogram (Kg); inverse meter (1/m); hertz (Hz); kelvin (K); electron volt (eV); atomic mass unit (u); and hartree (Eh). For more information see International System of Units (SI); The NIST Reference on Constants, Units, & Uncertainty; Physical Reference Data or the Physics Laboratory, National Institute of Standards and Technology

ENGINEERING UNIT CALCULATOR (JAVA APPLETS) - S. Bhattacharjee, Department of Mechanical Engineering, San Diego State University "These applets, which I call the Daemons, will help an engineer solve a wide range of thermodynamic problems." For more information see Utilities for Engineers or Thermonet

FUEL FACTS CALCULATORS - Ontario Propane Association, Canada VERY EXTENSIVE. For more information see Ontario Propane Association, Canada

Calculators include

Pressure Conversion Calculator

Fluid Conversion Calculator

Energy/Work Conversion Calculator

Volume/Capacity Conversion Calculator

CONVERSION FACTORS: CALCULATORS - Process Associates of America For more information see Process Tools or Process Associates of America

Examples include

Concentration || Diffusivity || Enthalpy (mass basis)

Enthalpy (vol basis) || Entropy

Flowrate (vol basis) || Heat Capacity

Heat Transfer Coefficient || Heat Rate

Mass Transfer Coefficient

Pressure Drop / Length || Thermal Conductivity

Torque || Viscosity (absolute)

Engineering Economics Unit Conversion Calculators

ENGINEERING ECONOMICS CALCULATOR - C. Murray, Industrial Parallel Computing Laboratory, Department of Industrial Engineering, Texas A&M University For more information see Chase Murray's Home Page or the Industrial Parallel Computing Laboratory

Some examples include

Depreciation Calculator

Interest Rate Conversion Factor Calculator

Engineering Vacuum Unit Conversion Calculators - Some examples

AVS REFERENCE GUIDE - American Vacuum Society (AVS) and Hosted by the American Intitute of Physics (AIP) VERY VERY VERY EXTENSIVE. For more information see the American Intitute of Physics or the American Vacuum Society

Some examples from over "15" calculators include

Refrigeration Calculator

Throughput & Leak Rate Calculator

Working Pressure Ranges of Vacuum Pumps

Working Pressure Ranges of Vacuum Guages

Optical Emission Spectral Lines by Wavelength in Nanometers

Vapor Pressure

Engineering Volume Unit Conversion Calculators - Some examples

Volume Inclusive

ABE VOLUME CALCULATORS - S.D. Filip To, Department of Agricultural and Biological Engineering, Mississippi State University For more information see Engineering Tools or Home Page of S.D. Filip To

Some Examples include

Volume of a Box

Volume of a Cylinder

Volume of a Sphere

Volume of a Cone

Volume of a Barrel

Tank Volume + Liquid Content

ONSIDE TANK VOLUME & DETERMINE LIQUID CONTENT REMAINING + PERCENT FULL CALCULATOR - Alberta Agriculture, Food and Rural Development, Alberta, Canada "By entering the above information this calculator gives you the contents of tank in cubic feet, Imperial and U.S. gallons, and litres..." For more information see Calculators or Alberta Agriculture, Food and Rural Development

VERTICAL TANK VOLUME & DETERMINE LIQUID CONTENT REMAINING + PERCENT FULL CALCULATOR - Alberta Agriculture, Food and Rural Development, Alberta, Canada "By entering the above information this calculator gives you the contents of tank in cubic feet, Imperial and U.S. gallons, and litres..." For more information see Calculators or Alberta Agriculture, Food and Rural Development

Tank Volume

TANK VOLUME + ELLIPTICAL SHAPED HEADS CALCULATOR - Bay Tank & Fabricating Co. Inc. "...You can insert two of the values (R,L or V) to calculate the other value. You can also choose the number elliptical shaped heads on the vessel..." For more information see Bay Tank & Fabricating Co. Inc.

CYLINDRICAL & RECTANGULAR TANK VOLUME CALCULATORS - Greer Tank and Welding, Inc. For more information see Greer Tank and Welding, Inc.

TANK VOLUME CALCULATOR - Regal Tanks, Suffolk, U.K. For more information see Regal Tanks

TANK VOLUME CALCULATOR - We-Mac Manufacturing, Inc. For more information see We-Mac Manufacturing, Inc.

TANK CALCULATOR - 17WebPlace.com For more information see 17WebPlace.com

TANK VOLUME & HEAD VOLUME CALCULATORS - Northland Stainless Inc. For more information see Northland Stainless Inc.

Engineering/Scientific Calculators

ARACHNOID CALCULATOR - P. Lutus, Arachnoid VERY - VERY EXTENSIVE. Scientific & Finance. For more information see Arachnoid

ASTR0-PHYSICAL CALCULATOR - C. Dolan, Department of Astronomy, University of Wisconsin, Madison, Wisconsin VERY VERY EXTENSIVE. For more information see Java Applets & Javascript; Chris Dolan's Home Page or the Department of Astronomy

BIG CALCULATOR APPLET (JAVA APPLET) - J. Tiscione VERY EXTENSIVE. "The precision of the calculator can be set by changing the value in the "digits:" field. The default value is 80 digits, but you can set it to 10000 digits or whatever you want." For more information see Jason Tiscione's Java Applet Index

CALCULATOR.NET (JAVABEAN BASED APPLET) - R. Hillyard, Rubecula Software VERY EXTENSIVE. "Calculator.NET is a customizable, JavaBean-based, full-precision scientific calculator applet." For more information see Calculator Net

HP-25 CALCULATOR SIMULATION - ENGINEERING & SCIENTIFIC (JAVA APPLET) - Applet written by L. Leinweber and hosted by Author: D.G. Hicks, The Museum of HP Calculators VERY EXTENSIVE. "These programs are not Hewlett-Packard products and are supplied without representation or warranty of any kind." For more information see The Museum of HP Calculators

JAVACALC 1.1 - K. Kikuchi, Japan "Since NetScape released version 3.0.1, JavaCalc can support more JavaScript features and works as an Interpreter software. JavaCalc now supports help function. You can search JavaScript's key word (Statements, Methods, Functions, Properties) with ? command." For more information see Math Collections or Ken Kikuchi's Home Page

NEWTON'S METHOD: Calculator - D. Sumner, Department of Mathematics, University of South Carolina VERY EXTENSIVE. "Enter an equation in terms of the variable x. Then enter a starting guess for x. For example,to find the square root of 2 you might enter x^2-2 for the equation, and 1 as an initial guess." For more information see Department of Mathematics or University of South Carolina

ONLINE CALCULATOR (JAVA APPLET) - Yigal, LiveEditor Inc. VERY EXTENSIVE. "Enter your math expression and see how the result changes as you type." Examples of vailable functions include: abs(x), acos(x), cos(x), exp(x), log(x,base), tan(x), sqrt(x) etc...

ON-LINE CALCULATOR - D. Sumner, Department of Mathematics, University of South Carolina Multimedia. "Use * for multiplication, / for division, and ^ for exponentiation. You can also use functions such as sqrt() exp(), ln(), cos() and sin()." For more information see Department of Mathematics or University of South Carolina

"PAPER TAPE" SCIENTIFIC CALCULATOR (JAVA APPLET) - Sorin Lazareanu VERY EXTENSIVE. For more information see Sorin Lazareanu's Home Page

PHYSICS POCKET COMPUTER (JAVASCRIPT) - Jean-Pol Vigneron, Department of Physique, Universitaires Notre-Dame de la Paix de Namur, Belgium VERY VERY VERY EXTENSIVE. For more information see Departmnet of Physique, Universitaires Notre-Dame de la Paix de Namur, BelgiumR

SCIENTIFIC CALCULATOR - C. Adler, Department of Physics, East Carolina University VERY EXTENSIVE. For more information see Test_Maker; Image-ination.com or Carl Adler's Home Page

Electrical
&
Computer Engineering

Electrical Engineering 1st & 2nd Year

FOR MORE COURSES & DATABASE SEE THE ENGINEERING CENTER

BASIC ELECTRICAL ENGINEERING CONCEPTS (JAVA APPLETS) - W.K. Chan, Department of Electrical & Computer Engineering, University of Iowa For more information see Wiston K. Chan's Home Page

Some examples include

Superposition of Step Functions

AC Power

ELECTRICTY & MAGNETISM INTERACTIVE JAVA TUTORIALS (JAVA APPLET) - Java programming: K.I. Tchourioukanov; Author: M.W. Davidson, Molecular Expressions: Exploring the World of Optics & Mircroscopy, Florida State University VERY VERY EXTENSIVE. For more information see Molecular Expressions: Exploring the World of Optics & Mircroscopy

Some examples from over "20" Applets include

Charging And Discharging A Capacitor

Vacuum Tube Diodes

Pulsed Magnets

How a Transformer Works

ELECTRICITY & MAGNETISM MODULES (JAVA APPLETS) - Mathematical Sciences, Rensselaer Polytechnic Institute (RPI) Multimedia Teaching Modules & Applets (Text & Images). "Mathematics and its Applications in Engineering & Science" For more information see Project Links: Mathematics and its Applications in Engineering and Science; Mathematical Sciences or Rensselaer Polytechnic Institute (RPI)

Some examples from over '10' Teaching Modules/Interactive Java Applets include

Electrostatic Field and Potential Module

Current and Resistance Module

Electromagnetic Oscillations Module

ELECTRONIC TOOLS (JAVA APPLETS) - Donaldson

Some examples include

Multi-tone Intermodulation Calculator

System Calculator (calculates a cascade devices)

Power Addition

INTERACTIVE DIGITAL PHASE LOCKED LOOP DESIGN - T. Fisher, Department of Computer Science, University of York, Canada "This is an interactive design package for designing digital (i.e. software) phase locked loops (PLLs)." For more information see Soft Modems: Structured Design and Implementation or Tony Fisher's Home Page

IPPEX SCIENCE MODULES (SHOCKWAVE) - Internet Plasma Physics Education Experience, Princeton Plasma Physics Lab, Princeton University Multimedia Tutorials using Shockwave. For more information see Internet Plasma Physics Education Experience (IPPEX)

Examples of Tutorials include

Properties of Matter

Fusion Energy

Fusion Data Analysis

PROJECT LINKS: MATHEMATICS AND ITS APPLICATIONS IN ENGINEERING AND SCIENCE - Mathematical Sciences, Rensselaer Polytechnic Institute (RPI) Multimedia Tutorials/Java Applets (Text & Images). VERY VERY EXTENSIVE. "This NSF supported project is a cooperative effort between mathematicians, engineers and scientists to develop educational materials that link mathematical topics with applications in engineering and science." For more information see Mathematical Sciences or Rensselaer Polytechnic Institute (RPI)

Examples of Major Categories which contain over "75" Tutorials/Applets

Calculus

Linear Systems

Differential Equations

Advanced Math Methods

SHOCKED SCIENCE (VIRTUAL SCIENCE LABORATORY) (SHOCKWAVE PLUG-IN) - Raman Pfaff, PPSA Consulting VERY EXTENSIVE. "Learning science is often done best when one has the chance to visualize situations. Hopefully these virtual exhibitions can help people do that."

VIRTUAL LABORATORY (JAVA APPLETS) - S. Russell, G. Bothun & A. Hulse, University of Oregon VERY EXTENSIVE. "In the interest of providing students with truely interactive texts, a series of experiments has been created using Java to demonstrate the application of this method of teaching."

Computer Science 1st & 2nd Year

FOR MORE COURSES & DATABASE SEE THE COMPUTER & COMMUNICATIONS CENTER

Base Conversion

ADDITION AND MULTIPLICATION TABLES IN VARIOUS BASES (JAVA APPLET) - Alexander Bogomolny For more information see Arithmetic & Algebra or Interactive Mathematics Education, Puzzles & Calculators

BASE CONVERTER CALCULATOR - N. Glover, Clemson University "Accurracy is 53-bits or (53/(log2(base))) digits" For more information see Calculators or Nick Glover's Home Page

BASE CONVERTER CALCULATOR - Mu Alpha Theta, Palm Harbor University High School "Convert to/from any base 2-36." For more information see JavaScript Library, Math Calculators or Palm Harbor University High School Mu Alpha Theta (PHUMU)

BASE CONVERSION: BINARY; TERNARY; QUINTAL; OCTAL; DECIMAL & HEXADECIMAL - Alexander Bogomolny For more information see Arithmetic & Algebra or Interactive Mathematics Education, Puzzles & Calculators

BINARY, TERNARY, QUINTAL, OCTAL, DECIMAL & HEXADECIMAL CALCULATOR - P. van den Steen, SubnetOnline.Com For more information see SubnetOnline

CONVERT DECIMAL FLOATING-POINT TO 32-BIT AND 64-BIT HEXADECIMAL REPRESENTATIONS ALONG WITH THEIR BINARY EQUIVALENTS: IEEE-754 CONVERSION CALCULATOR - Author: K.J. Brewer, Software Development, Delphi Delco Electronics Systems, and hosted by C. Vickery, Department of Computer Science, Queens College, CUNY VERY EXTENSIVE. For more information see Delco Electronics; IEEE-754 References or Christopher Vickery's Web Site

CONVERT 32-BIT HEXADECIMAL REPRESENTATION TO DECIMAL FLOATING-POINT ALONG WITH THE EQUIVALENT 64-BIT HEXADECIMAL AND BINARY PATTERNS: IEEE-754 CONVERSION CALCULATOR - Author: K.J. Brewer, Software Development, Delphi Delco Electronics Systems, and hosted by C. Vickery, Department of Computer Science, Queens College, CUNY VERY EXTENSIVE. For more information see Delco Electronics; IEEE-754 References or Christopher Vickery's Web Site

CONVERT 64-BIT HEXADECIMAL REPRESENTATION TO DECIMAL FLOATING-POINT ALONG WITH THE EQUIVALENT 32-BIT HEXADECIMAL AND BINARY PATTERNS: IEEE-754 CONVERSION CALCULATOR - Author: K.J. Brewer, Software Development, Delphi Delco Electronics Systems, and hosted by C. Vickery, Department of Computer Science, Queens College, CUNY VERY EXTENSIVE. For more information see Delco Electronics; IEEE-754 References or Christopher Vickery's Web Site

HEXADECIMAL/DECIMAL/BINARY CALCULATOR - D. Tomezzoli, France VERY EXTENSIVE.

Computer Science

COMPUTER SCIENCE: VISUAL INVARIANTS (JAVA APPLETS) - M.P. Epstein, Project Java, State University of New York, Stony Brook, New York VERY EXTENSIVE. "This applet illustrates the operation of a number of sorting algorithms and the concept of an invariant..." For more information see Project Java

DIGITAL CIRCUIT DESIGN: REGISTER-TRANSFER-OBJECT HARDWARE SIMULATION (RETRO) - (JAVA APPLET) - T. Bräunl, Department of Electrical & Electronic Engineering, University of Western Australia, Perth, Australia VERY VERY EXTENSVIE. "...The tool comprises all essential building blocks, from simple AND/OR/NOT gates over registers, adders, multipliers, to RAM and ROM memory modules..." For more information see Thomas Bräunl's Home Page or the Department of Electrical & Electronic Engineering

INTRODUCTION TO COLOR (JAVA APPLETS) - N.C. Schaller, Computer Science Department, Rochester Institute of Technology "The goal of this project was an easy to use, interactive educational aide to help students better understand the concepts of color, its characteristics,..." For more information see Nan Schaller's Home Page

Some examples include

The Spectrum Applet

The Color Space Conversions Applet

INTRODUCTION TO XCOMPUTER - D. Eck, Department of Mathematics & Computer Science, Hobart and William Smith Colleges, Geneva, N.Y. VERY EXTENSIVE. "The xComputer applet, simulates a simple model computer." For more information see Labs & Applets for the Most Complex Machine or David J. Eck's Home Page

LGRAMMAR: A GRAPHICS TOOL FOR LINDERMAYER SYSTEMS (JAVA APPLET) - T. Bräunl, Department of Electrical & Electronic Engineering, University of Western Australia, Perth, Australia VERY EXTENSVIE. "...implements a two-dimensional and a three-dimensional graphics tool for evaluating Lindenmayer grammars..." For more information see Thomas Bräunl's Home Page or the Department of Electrical & Electronic Engineering

PDP-8 SIMULATOR - M.G. Arnold, Department of Computer Science, University of Wyoming, Laramie, Wyoming VERY VERY EXTENSIVE. For more information see JavaScript PDP-8 Simulator Home Page or Mark G. Arnold's Home Page

VISUAL INVARIANTS IN SORTING ALGORITHMS (JAVA APPLETS) - W. Braynen, Project Java, State University of New York, Stony Brook, New York Includes: LinearSearch & BinarySearch Applets. For more information see Project Java

VISUAL MACHINE LANGUAGE SIMULATOR (JAVA APPLET) - S. Kogan, D. Li, B.M. Bhatti & S. Raza, Project Java, State University of New York, Stony Brook, New York VERY VERY EXTENSIVE. "The purpose of VisualML is to graphically demonstrate a reference computer in action executing (performing) machine language instructions provided by the user (you) as input. " For more information see Project Java

555 Timers

555 CALCULATORS: MONOSTABLE TIMEOUT CALCULATOR & ASTABLE SQUARE WAVE CALCULATOR - J. Adams, The Electonics Workbench For more information see 555 Timers or the Electronics Workbench

Accelerator Research

CALCULATOR FOR ACCELERATOR RESEARCH (JAVASCRIPT) - KEK High Energy Accelerator Research Organization, Japan Includes calculators for: Parameters for Circulatr Wave Guide Modes; Parameters for Rectangular Wave Guide Modes; Bunch Length To Cutoff of Spectrum; and FWHM to Bunch Length. For more information see ARES Home Page or KEK High Energy Accelerator Research Organization

Amplifier

AUTOMATED TWO-STAGE AMPLIFIER - SWITCHED CAPACITOR INTEGRATOR DESIGNER - J. Wetherell, Research in Analog IC Design, Department of Electrical Engineering and Computer Sciences, U.C. Berkeley "Operational Amplifier Design" "This routine finds the device sizes for a two stage amplifier with Miller compensation." For more information see Integrated Circuit Design Calcs or John Wetherell's Home Page

BJT AMPLIFIER DESIGN CALCULATION - Department of Electrical and Electronic Engineering, University of Auckland, New Zealand VERY EXTENSIVE. For more information see Tools for Electronics; Electronic Design Laboratory; Technical Information or Department of Electrical and Electronic Engineering

Examples of other Amplifier Design Calculations include

J-FET Amplifier Design

Annealing

SIMULATED ANNEALING APPLET - M. Chalwell, Information Technology Section, University of Western Australia, Australia "AIM: Find global extrema. For a function f , which depends on one or more independent variables, we want to find it's global extrema (maximum or minimum). Extrema can be either maximum or minimum and can be simply substituted by letting f = -f." For more information see Matt "Docker" Chalwell's Home Page

Antenna

3 ELEMENT BEAM ANTENNA CALCULATOR & HALF WAVE DIPOLE CALCULATOR - J. Hawkins For more information see Jim's Home Page

ANTENNA SYSTEM EVALUATOR - CALCULATOR - VanVarden VERY EXTENSIVE. For more information see KD6DKS or the VanVarden family web page.

ANTENNA ELMER - E. Oros & B. Cocco, The Elmer HAMlet VERY EXTENSIVE. For more information see The Elmer HAMlet

Some Examples from over '15' Calculators include

Design Your Own Ground Plane

Design Your Own Dipoles And Inverted Vees

Calculate Electrical Length Of A Line

CUBICAL QUAD ANTENNA CALCULATOR - VanVarden VERY EXTENSIVE. For more information see KD6DKS or the VanVarden family web page.

HAM-RADIO ANTENNA DESIGN CALCULATOR (JAVA APPLET) - S.F. Lott "This program will help you arrive at a mathematically precise design, but the overall performance of any antenna also depends upon construction integrity, location, height, orientation, terrain, surrounding objects, etc. " For more information see WWW Ham Calculators or Steven F. Lott's Home Page

LINEAR ANTENNA (JAVA APPLETS) - Amanogawa VERY EXTENSIVE. For more information see Applets or Amanogawa

RF CALCULATORS & TOOLS - Decibel Products, Dallas, Texas VERY VERY EXTENSIVE. For more information see Decibel Products

Some examples from over "15" Calculators include

Conversion Formulas

Antenna Patterns

THE PACKETRADIO OPERATOR'S ANTENNA HANDBOOK - G. E. Rogers Sr. For more information see PacketRadio's Home Page

Examples of Calculators/Tutorials include

Design a J-Pole Antenna for your Packet Radio Station

Design-A-Quad Antenna

YAGI ANTENNA MODELING APPLET (JAVA APPLET) - K. Schmidt, Department of Physics and Astronomy, Arizona State University For more information see Kevin Schmidt's Home Page

Architecture

JAVA-INTERVAL CALCULATOR - A. Pereira & E. Alicea, Computer Architecture & Arithmetic Research (CAAR), Lehigh University VERY EXTENSIVE. "The calculator performs interval arithmetic operations and computers interval version of mathematical functions." For more information see Undergraduate Research; Research or Computer Architecture & Arithmetic Research (CAAR)

SILICON AREA TOOL CALCULATOR (JAVASCRIPT) - O. Mencer, Stanford Architecture and Arithmetic Group, Stanford University "As a first step this tool does the conversion between rbe, mm^2 and A, given feature size or resolution. The script can automatically detect which fields are filled and calculate the missing values." For more information see Processor Design Tools or Stanford Architecture and Arithmetic Group, Stanford University

Examples of other Calculation Tools include

Bus Occupancy Iteration

FUPA - Floating Point Unit Area

Java Script Design Tool

Optimum Pipeline

RAIDiator

A.I.: Artificial Intelligence

COMPUTATIONAL INTELLIGENCE (JAVA APPLETS) - A. Mackworth, D. Poole, M. Cline, K. O'Neill, & L. Tung, Laboratory for Computational Intelligence, Department of Computer Science, University of British Columbia, Canada For more information see the Laboratory for Computational Intelligence or the Department of Computer Science

Bandstructure

BANDSTRUCTURES - National Center for Computational Electronics, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign "For two specified normalized k-space points, one-dimensional profiles of energy bands of specified material are calculated using empirical pseudopotential method." For more information see Demos or the National Center for Computational Electronics

SILICON BANDSTRUCTURE - National Center for Computational Electronics, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign For more information see Demos or the National Center for Computational Electronics

Bandwidth

BANDWIDTH CALCULATOR (JAVASCRIPT) - Internet Network Services Ltd For more information see Internet Network Services Ltd

BGA

BGA ELECTRICAL CALCULATOR - Abpac Inc. VERY EXTENSIVE. "Electrical parameters for BGAs are determined by adding the contributions from wires, PCB traces, via holes and solder balls." For more information see Abpac Inc.

Buck Converter

BUCK (STEP-DOWN) CONVERTER CALCULATION - Department of Electrical and Electronic Engineering, University of Auckland, New Zealand VERY EXTENSIVE. For more information see Tools for Electronics; Electronic Design Laboratory; Technical Information or Department of Electrical and Electronic Engineering

Cable/Wireless etc.

CABLE ATTENUATION & VSWR CALCULATOR - Eupen Cable VERY EXTENSIVE. For more information see Eupen Cable

COAXIAL CABLE ATTENUATION & POWER HANDLING CALCULATOR - Times Microwave Systems "The calculator above can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest." For more information see Site Index or Times Microwave Systems

CUMULATIVE LEAKAGE INDEX (CLI) CALCULATOR - C.E. Harrington, Engineering and Technical Services Division, Cable Services Bureau, Federal Communications Commission (FCC) "This special calculator has been designed to calculate the Cumulative Leakage Index(CLI)." For more information see Engineering and Technical Services Division; Cable Services Bureau or the Federal Communications Commission (FCC)

Major FCC Interactive Databases include

FCC ID Equipment Authorization Database

Wireless Telecommunications Bureau (WTB) Database

AM Radio Database

FM Radio Database

TV Radio Database

Capacitors

CAPACITOR SIMULATION (JAVA APPLET) - Mathematical Sciences, Rensselaer Polytechnic Institute (RPI) Multimedia Teaching Modules & Applets (Text & Images). "Mathematics and its Applications in Engineering & Science" For more information see Electricity & Magnetism Modules; Project Links: Mathematics and its Applications in Engineering and Science; Mathematical Sciences or Rensselaer Polytechnic Institute (RPI)

CAPACITOR IDENTIFICATION - CALCULATORS - US Army Flexible Computer Integrated Manufacturing, Component Identification Tool & Hosted by F.R.F. Aragão, Física 3 Experimental, Instituto de Física, Universidade de Brasília, Brasília (Brazil) VERY EXTENSIVE. For more information see Fisica 3 Experimental or the Instituto de Física

Examples of Capacitor Calculators include

Class I Ceramic Capacitors: Capacitance Value Calculator (5 dots)

Class I Ceramic Capacitors: Capacitance Value Calculator (6 dots)

CAPACITOR COLOR CODES (JAVA APPLET) - W.S. Brinson, Department of Electrical and Computer Engineering, University of New Brunswick, Fredericton, NB, Canada For more information see Resistor & Capacitor Color Codes or Java Applets

POLYESTER CAPACITOR COLOUR-CODE CALCULATOR - Wirral, U.K. For more information see the Amateur Radio and Audio Calculators; Amateur Radio on the Wirral or the John's Home Page

CD-ROM, CD-R & CD-RW

CD-ROM, CD-R and CD-RW READHEAH (JAVA APPLET) - C.R. Wie, Electrical and Computer Engineering Department, SUNY, Buffalo, NY VERY EXTENSIVE. For more information see Educational Applets in Electrical Engineering; Educational Java Applet Service or Electrical and Computer Engineering Department

Circuit Board Design

DESIGN A PRESICION, SINGLE-SUPPLY PHOTO DETECTION CIRCUIT - Chip Center Multimedia Interactive Tutorials. VERY EXTENSVIE. "Photodiodes and their associated preamps are the bridge between a basic physical event and electronics..." For more information see Online Tools or the Chip Center

ENGINEERING TOOLS - Automata Inc., For more information see Automata - Printed Circuit Technology

Examples of Calculators include

Crosstalk

Parallel Conductors Lateral Cross Talk Modeling
Parallel Conductors Vertical Cross Talk Modeling

Impedance and Capacitance

Embedded Microstrip Impedance and Capacitance Modeling
Dual (Asymmetric) Stripline Impedance and Capacitance Modeling

Panel Calculator

Dual (Asymmetric) Stripline Noise Budget Modeling

PCB TRACE WIDTH CALCULATOR - B. Suppanz "...calculates the trace width for printed circuit boards based on a curve fit to IPC-D-275." For more information see Switched Mode Power Supply

THE IN-CIRCUIT DESIGN INTERACTIVE MULTILAYER IMPEDANCE CALCULATOR - In-Circuit Design (ICD) Pty Ltd., Australia VERY EXTENSIVE. Includes: 4,6,8,10 & 12 Layer Board Calculators. For more information see In-Circuit Design (ICD) Pty Ltd.

Examples of Calculators include

4 Layer Board

8 Layer Board

12 Layer Board

Circuits/Circuit Design

AC CIRCUITS - INTERACTIVE EXPERIMENTS (JAVA APPLETS) - Educators Corner, Agilent Technologies VERY VERY EXTENSIVE. For more information see Experiments; Educator's Corner or Agilent

Some examples from include

Coupled Oscillators: Part A (Square Wave Input)

Coupled Oscillators: Part C (Swept Sine)

CIRCUIT SIMULATORS (JAVA APPLETS) - T. Fisher, Department of Computer Science, University of York, Canada VERY VERY EXTENSIVE. For more information see Circuit Simulator Home Page or Tony Fisher's Home Page

Some examples from over "9" Applets include

A potential divider

A non-inverting op-amp amplifier with gain +3

Equal-Component-Value Sallen-Key Filter

DIGITAL CIRCUITS (JAVA APPLET) - M. Karweit, Department of Chemical Engineering, Johns Hopkins University "...Here we create an analogy between something that can be stored and measured in an electrical/mechanical device and a mathematical value..." For more information see Virtual Engineering

DIGITAL CIRCUIT DESIGN: REGISTER-TRANSFER-OBJECT HARDWARE SIMULATION (RETRO) - (JAVA APPLET) - T. Bräunl, Department of Electrical & Electronic Engineering, University of Western Australia, Perth, Australia VERY VERY EXTENSVIE. "...The tool comprises all essential building blocks, from simple AND/OR/NOT gates over registers, adders, multipliers, to RAM and ROM memory modules..." For more information see Thomas Bräunl's Home Page or the Department of Electrical & Electronic Engineering

LC TUNED CIRCUIT RESONANT FREQUENCY CALCULATOR - Deephaven, Newbury, U.K. "Type in the L and C values, selecting the units (Microfarads, Nanofarads, Picofarads, Henries, Milihenries, Microhenries, Nanohenries, Hertz, Kilohertz, Megahertz, Gigahertz) you wish to use..." For more information see Deephaven

LOGIC CIRCUITS: XLOGIC CIRCUITS LAB 1 (JAVA APPLET) - D. Eck, Department of Mathematics & Computer Science, Hobart and William Smith Colleges, Geneva, N.Y. VERY EXTENSIVE. For more information see Labs & Applets for the Most Complex Machine or David J. Eck's Home Page

Examples from over '10' other related Applets include

The xLogicCircuits Applet

Memory Circuits

LOGIC SIMULATOR (JAVAAPPLET) - G. Cusick, Comupter & Information Science, University of Florida "This program assists in the construction and simulation of digital logic gate circuits." For more information see G. Cusick's Home Page or Comupter & Information Science, University of Florida

QASIMDEOM - QUALITATIVE ANALYSIS OF ANALOG CIRCUITS - M. Thole, Institut für Netzwerktheorie und Schaltungstechnik, TU Braunschweig, Bundesrepublik Deutschland (Germany) "The Qualitative Analysis reproduces this ability on computers by introducing qualitative states such as positive, zero, or negative." For more information see Java Display Case or Manfred Thole's Home Page

Computer Chip Chemistry

COMPUTER CHIP CHEMISTRY: INTERACTIVE (JAVA & JAVA APPETS) - MultiCHEM, University of California, Berkeley Multimedia Tutorials/Modules (Text, Images & Movies). For more information see Modules or the ModularCHEM Constorium

Examples of Interactive Modules inlcude

Exploration 1B: Introduction to Microelectronic Processing

Exploration 1C: How is Chemistry used to Make Integrated Circuits?

Making a Capacitor

Making