Frequently Asked Questions
Under the standard YouTube license, you are free to embed the videos in your own site or blog, as long as it is not behind a paywall.
If you want to use some of the visuals offline for classroom usage or a presentation, feel free to do so. In both cases, attribution is of course appreciated.
Otherwise, if you wish to license the videos to include in a commercial product, or to reupload in any way, kindly fill out the form below.
Please note the FAQs above before writing in. They address, for example, questions about animation code, questions about math, and topic suggestions. If you're asking about a particular video, check to see if your question has already been answered in that video's description.