software required to make epub3 interactive e-books free for anyone to use. download
1) EasyJavaScriptSimulationToolkit http://www.um.es/fem/EjsWiki/Main/Download 2) BlueGriffon The next-generation Web Editor http://bluegriffon.org/ 3) equation Latex (html) to MathML (epub3 support) http://www.mathtowebonline.com/ and copy and paste only the MathML part of the codes for the equations in BlueGriffon source page 4) animation gif i use http://www.techsmith.com/camtasia.html to produce