Animated algorithms

the long version

Self-instructional guide to elementary data structures and algorithms. Each section contains BASIC programs that ran on IBM PCs in the late 1980s, that prompt for input to an algorithm, and then execute successive steps whenever a key is pressed, displaying the results. Successive chapters deal with sorting, searching, linked lists, stacks and queues, and very elementary tree and graph topics. The programming content is trivial and obsolete, but the exercises at the end of each section are varied and open up topics for exploration using symbolic and other methods of programming. MPB February 2011