Algorithm development is the process of creating a step-by-step procedure or formula for solving a specific problem. It involves defining the problem, analyzing requirements, and designing a solution that can be implemented in a programming language. Algorithms can be simple, like sorting a list of numbers, or complex, like those used in machine learning. Once an algorithm is designed, it is tested and refined to ensure it works correctly and efficiently. This may involve optimizing the algorithm to reduce its running time or memory usage. Effective algorithm development is crucial in fields such as computer science, data analysis, and artificial intelligence.