HyperCard is a programming software for Apple Macintosh and Apple IIGS computers, widely known to be among the first breakthrough hypermedia system before the World Wide Web.
It is also a program development equipment tool for Mac users of any skill level with media integration, navigation, hypertext along with a scripting that has positively affected the evolution of the famous World Wide Web.
HyperCard programs are also available in its thousands from numerous storehouses on the internet. CD-ROMs are also available from a number of Macintosh User Group. HyperCard is still the most reliable of programs for the development of multimedia. It has a simple layout, database capability and ease of programming functions.
The ultimate key function in HyperCard is the “script”, a single code carrying features of every object within the stack. The script is a text terrain whose content is translated in the HyperTalk language.
Hypercard has an element oriented scripting language known as Hypertalk. HyperTalk element classes are inbuilt by the HyperCard environs, however others can be added by making use of externals, it is verbose, in order to ease its use and readability.
The strength of HyperCard could be increased highly by the use of external command and external function modules, very much known as XCMDs and XFCNs. Externals permit access to the Macintosh Toolbox, which possess a lot of lower level commands and functions not new to HyperTalk, such as control of the serial and ADB. HyperCard works only in the classic Mac OS, but it can work also in Mac OS X’s Classic mode on PowerPC based machines.