Science Buddies
Science Buddies: Writing a Simple Calculator Program With Java Script
This is a good first-time programming project. You'll learn how to use JavaScript to create a basic calculator program that you can run in your Web browser.
Khan Academy
Khan Academy: Circle of Confusion Calculation
Understand how we can calculate the radius of a circle of confusion
Math.com
Computer Romanus: Roman Numeral Calculator
This site has a calculator that uses only Roman Numerals! There is also an explanation of the number symbols for reference.
Other
A Brief History of Computers and Networks
Provides historical information on computers and networks, from the beginning of mechanical calculators in the 1640's to modern times.
Vassar College
Vassar College: Multiple Regression
This is an interactive site allowing the student to input data (one dependent and three independent variables) and then letting the computer calculate the regression between these multiple forces.
TeachEngineering
Teach Engineering: Getting It Right!
In this lesson, students will investigate error. As shown in earlier activities from navigation lessons 1 through 3, without an understanding of how errors can affect your position, you cannot navigate well. Introducing accuracy and...
Khan Academy
Khan Academy: Circle of Confusion Diagram
Understand the diagram we have created to calculate the radius of a circle of confusion.
NASA
Nasa Star Child: Planet Hop
Figure out your age and your weight on all the planets in the solar system using the formulas given here. Then type them into the correct place, and let the computer check to see if you are correct.
Science Buddies
Science Buddies: How Fast Do Seismic Waves Travel?
Here's a geology project that uses historical seismograph data that you can collect from the comfort of your own computer. You'll use a web interface to a network of seismometers run by the Northern California Earthquake Data Center, at...