Visual Programming Environments: Applications and Issues

abstract ACM Transactions algorithm AMC Pacer animation application auditory icons BALSA charts color command components composition composition algebra Computer Graphics Computer Science concept conceptual graph conceptual schema create cursor data structures debugging defined delete described diagram display domain earcons editing editor effective elements encode example execution Figure formal function graph Graphical Presentations Human-Computer Interaction iconic programming implementation input Insertion sort interactive Interlisp-D label mapping menu messages node objects operations output panel parameters picture pixels primitive problem Proc procedure programming environment programming language Quicksort relation represent representation Room screen selected semantic sequence shows SIGGRAPH Smalltalk Software sound spatial specified string symbol task techniques tion tool Transactions on Graphics tree tuples user interface user's values variables Visual Languages visual programming Visual Programming Language window