<ul><li>This article explores building a basic command-line calculator in Go, showcasing fundamental Go concepts.</li><li>Readers should have a basic understanding of the Go programming language and Go installed on their machines.</li><li>The program takes two integers and an operator as command-line arguments to perform arithmetic operations.</li><li>Starting with the package declaration, the main package signifies an executable program in Go.</li><li>Necessary packages like fmt, os, and strconv are imported for I/O, command-line access, and string conversions.</li><li>A function named validateOperator validates the input operator against a predefined list of supported operators.</li><li>The main function reads command-line arguments, validates the operator, and converts string inputs to integers.</li><li>Arithmetic operations are executed based on the specified operator, handling division and modulo by zero cases.</li><li>The article presents the complete code for the command-line calculator program in Go.</li><li>To execute the program, users can run it with three arguments to perform arithmetic calculations.</li></ul>

Technical Article: Implementing a Simple Command-Line Calculator in Go

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