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.
Other
Square Root on Your Computer's Calculator
Site provides a tutorial on using a calculator to evaluate square roots.
Math Open Reference
Math Open Reference: Math / Scientific Calculator
This online scientific/math calculator supports functions for algebra and trigonometry. Operates using both the keys on the computer keyboard or pressing the keys on the calculator with the mouse or a combination of both.
Curated OER
Google for Education: Children and Technology: Simulating a Computer
Students play the main computer components like a CPU, mouse, or IO controller to simulate calculator application by moving a mouse, synchronizing it with the mouse pointer on the screen and sending request to the processor.
Other
Martindale's Reference Desk: Calculators on Line Center
Marindale's Reference Desk offers a comprehensive guide and listing to science and math calculators. Select from mathematics, statistics, science, chemistry, physics, astrophysics, astronomy, engineering, and computer engineering...
Khan Academy
Khan Academy: Circle of Confusion Calculation
Understand how we can calculate the radius of a circle of confusion
Other
Vintage Calculators: Web Museum
Learn about the history of calculators, from the 1960's to the present. Includes images.
Harvard University
Harvard University: Howard Aiken: Makin' a Computer Wonder
About Howard Aiken's mission to build the first programmable computer.
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.
Calculator Soup
Calculator Soup: Computer Storage Units Conversion Calculator
Choose the input unit you have and the output unit you want to convert to. Enter the value you want to convert then click on the "Calculate" button.
Other
Curiosity in the Classroom: Calculating Degrees of Freedom of Robotic Arm [Pdf]
A lesson plan to explore the movement of robots. Students will investigate the number of directions a robots arm can move using a simple construction set. An advance lesson to calculate the degrees of freedom using the Grubler's formula...
Smithsonian Institution
Smithsonian Education: From Carbons to Computers, the Changing American Office
A site including lesson plans, photographs, and text about the offices of yesterday and those of today. Topics discussed include office equipment, office organization, globalization, and technology. Also included is an historical...
Other
Online Conversion
Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...
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.
Computer History Museum
Computer History Museum: Abacus
The Computer History Museum located in Mountain View, California, provides a glimpse into the development of the information age via their large collection of artifacts. This section highlights the development and use of the abacus, "a...
Curated OER
Google for Education: Children and Technology: Functions
Take a a look at examples of functions, and then explore functions representing arithmetic operations followed by boolean and string types. Throughout the workshop children do various assignments calculating function result or drawing a...
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.
Khan Academy
Khan Academy: Start: How Do Computers Simulate the Motion of Virtual Particles?
In this lesson we'll explore how we use fairly simple physics to draw particles which move according to the forces we feel in the real world (such as wind & gravity).
Other
U. S. Army Research Laboratory: The Eniac Story
This site provides a detailed history of ENIAC, the world's first digital computer developed by Army Ordnance to compute World War II ballistic firing tables. Includes specifics on how the computer performed its calculations.
TeachEngineering
Teach Engineering: Start Networking!
To get a better understanding of complex networks, students create their own, real social network example by interacting with their peers in the classroom and documenting the interactions. They represent the interaction data as a graph,...
TeachEngineering
Teach Engineering: How Far Does the Robot Go?
Students practice their multiplication skills using robots with wheels built from LEGO MINDSTORMS NXT kits. They brainstorm distance travelled by the robots without physically measuring distance and then apply their math skills to...
TeachEngineering
Teach Engineering: Master Driver
Students learn how rotational sensors measure distance, how mathematics can be used for real-world purposes, and about potential sources of error due to gearing when using rotation sensor readings for distance calculations.
Khan Academy
Khan Academy: Mathematical Procedures and Constants
With just the basic arithmetic operations, learn how to write programs to compute anything that a simple calculator can compute.
University of Cambridge
University of Cambridge: Nrich: Game Calculator Bingo
Sharpen your place value skills playing this interactive game, Calculator Bingo. The rules are simple but the game requires some thinking if you want to beat the computer. If you respond incorrectly the computer will allow you another turn.