Recently, The Mathsoft company has announced MathBrowser , a WWW-browser that can display HTML and MathCAD documents. MathBrowser has a computational engine and interface similar than MathCAD, allowing the student to edit MathCAD documents through the Internet. MathBrowser is used to distribute a collection of Shaum's outline series in electronic form. HyperCard, Toolbook and MetaCard HyperCard is hypermedia authoring software for Macintosh computers. It is based on a card-metafora.
Hypercard application is called a stack or a collection of stacks.
Each stack consists of cards and only one card is visible in a stack. A card is displayed in fixed size window. Hypertext links can be programmed by creating buttons and writing a HyperTalk script for the button. MetaCard is similar application than HyperCard but it runs in Unix environments. MetaCard offers the ability to create and modify applications using interactive tools and a simple scripting language.