React Tutorial: Build a Currency Converter Using useState and useMemo Hooks

A developer tutorial on DEV Community walks readers through building a simple currency converter application using React. The project uses fixed exchange rates to convert USD into EUR, GBP, and JPY, avoiding the complexity of live API calls. Key React concepts covered include the useState hook for managing user input and the useMemo hook for optimizing conversion calculations. The tutorial is designed as a beginner-friendly, practical exercise that introduces state management, user input handling, and performance optimization in a single project.