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Symbols have remained as the most important aspect of communication. Thanks to the Alt button provisioned with the computer keyboard. Using this you can convey your message easily across people and organizations in a quick and easy manner.

Textbook. The textbook Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne [ Amazon · Pearson · InformIT ] surveys the most important algorithms and data structures in use today. The textbook is organized into six chapters: Chapter 1: Fundamentals introduces a scientific and engineering basis for comparing algorithms and making predictions. It also includes our programming model. Chapter 2: Sorting considers several classic sorting algorithms, including insertion sort, mergesort, and quicksort. It also includes a binary heap implementation of a priority queue. Chapter 3: Searching describes several classic symbol table implementations, including binary search trees, red-black trees, and hash tables. Chapter 4: Graphs surveys the most important graph processing problems, including depth-first search, breadth-first search, minimum spanning trees, and shortest paths. Chapter 5: Strings investigates specialized algorithms for string processing, including radix sorting, substring search, tries, regular expressions, and data compression. Chapter 6: Context highlights connections to systems programming, scientific computing, commercial applications, operations research, and intractability.

For years, the lingua franca for desktop computers was the Beginner's All-purpose Symbolic Instruction Code, a.k.a. Basic. Essentially every PC had it, and just about anyone could learn to program with it, even in a rudimentary way. Those days are gone

This website teaches computer programming. This skill is very useful: with programming you can automate computer tasks, make art and music, interpret and analyze survey results, build tools for other people, create custom websites, write games, examine genetic data, connect people with each other, and the list goes on and on.