We provide short instructional Mathematical videos. Suitable for self learning and home instruction at your own pace. In these video lectures we handle multiple areas of mathematics we may also treat some other sciences topics. These videos will be useful for teachers and students at many levels.
There is also a companion blog site and there we present topics of interest at blog.isallaboutmath.com
For suggestions please write to Mathinfo

Proof
Mathematician Bernhard Riemann explains the importance of proofs in mathematics. He proves a theorem on stereographic projection.

You should be able to watch these lectures here if you have the flash player installed on your computer but you may prefer to used a Video IPod, Apple TV or an iPhone you may also be able to use a Zune player or any other portable video device.

 Use this link if you are using a Feed Aggregator to register to our main video show.

 Use this link for the blog.