"accounts of the lives and works of seventeenth and eighteenth century mathematicians (and some other scientists), adapted from A Short Account of the History of Mathematics by W. W. Rouse Ball (4th Edition, 1908). "

new and archived math articles

"Introduction We live in a three-dimensional world. Every object you can see or touch has three dimensions that can be measured: length, width, and height. The room you are sitting in can be described by these three dimensions. The monitor you're looking at has these three dimensions. Even you can be described by these three dimensions. In fact, the clothes you are wearing were made specifically for a person with your dimensions. In the world around us, there are many three-dimensional geometric shapes. In these lessons, you'll learn about some of them. You'll learn some of the terminology used to describe them, how to calculate their surface area and volume, as well as a lot about their mathematical properties. "

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"Explore our library of 104 online activities that help to make math come alive in the classroom or at home View our collection of 579 lessons for preK-12 math educators Learn about NCTM's Principles and Standards for School Mathematics Check out hundreds of exemplary online resources, as identified by an editorial panel"

"Graphs and charts are great because they communicate information visually. For this reason, graphs are often used in newspapers, magazines and businesses around the world. NCES constantly uses graphs and charts in our publications and on the web. Sometimes, complicated information is difficult to understand and needs an illustration. Graphs or charts can help impress people by getting your point across quickly and visually. Here you will find five different graphs and charts for you to consider. Not sure about which graph to use? Confused between bar graphs and pie charts? Read our: "

mathematicians

"Creative teachers can use music to teach content across the curriculum - to students of all ages. We offer thousands of children's songs, lyrics, sound clips and teaching suggestions."

music and history of electronic music

Discover the wonders of the modern symphony orchestra music with our comprehensive guide to the instruments and layout of the orchestra.

"The Aria Database is a collection of information about opera and operatic arias. Besides providing basic information about each aria, the Database includes translations for many arias and aria texts for those that are not affected by copyright restrictions. The Database also provides access to a collection of operatic sound files to give visitors an idea of what each aria sounds like. In addition, the Aria Database contains information on available scores and sound files that can be purchased to aid in study and enjoyment. Currently, the Database holds information on the complete operatic aria collections of Mozart, Verdi, Berlioz, Wagner, and Puccini as well as the partial collections of over 50 other composers. "

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composer biographies

takes you to a site where you can ask permission to use a music file or other file

"There's lots of music in the public domain, but not many public domainrecordings. This site strives to find those and make them "

music downloads. Not where they came from, etc.

"We have a huge catalog of royalty free music libraries for you to download and start using right away in your commercial projects. These high quality music tracks will make your projects more effective and sound more professional. All of our music comes with the most generous license agreement in the business. "