Calculator with History

Build a specialized calculator with history that performs accurate calculations with user-friendly input validation and comprehensive result formatting. Many users need quick access to reliable calculations but struggle with complex formulas or finding trustworthy online tools.

What You'll Build:

Your application should allow users to input values through an intuitive interface, perform calculations with proper error handling, and display results with clear explanations and formatting options. Include features for saving calculation history and exporting results.

Key User Stories:

• As a user, I want to input values easily and get accurate calculations instantly
• As a user, I want to see my calculation history and reuse previous inputs
• As a user, I want clear explanations of how results were calculated
• As a user, I want to export or share my calculation results

Technical Implementation:

Implement robust calculation logic with comprehensive input validation and error handling. Consider data persistence for calculation history and result formatting options. Focus on user experience with clear feedback and responsive design patterns.