<ul><li>The article discusses the process of building a calculator by overengineering it using TypeScript and emphasizes on tokenization, abstract syntax tree (AST), and parsing logic.</li><li>The project utilizes a lexer to break down the input sequence into tokens, constructs an AST to represent nodes based on operator precedence, and defines a parsing logic following Extended Backus-Naur Form (EBNF).</li><li>The parsing logic implemented in the project recursively traverses the tree to apply mathematical operations and can be converted to a CLI for interactive use.</li><li>The journey into building the calculator delves into the concepts of compilers, starting from tokenization by the Lexer, hierarchy creation by the Parser, and evaluation by the Evaluator, providing a foundation for more complex problems in the future.</li></ul>

The Art of Overengineering a Calculator.

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