ConsoleCalculator Project by C# Academy

Project Link: https://www.thecsharpacademy.com/project/11/calculator

Project Requirements:

First part was guided project based on Microsoft tutorial: https://learn.microsoft.com/en-us/visualstudio/get-started/csharp/tutorial-console?view=vs-2022

Additional Challenges

• Create a functionality that will count the amount of times the calculator was used.
• Store a list with the latest calculations. And give the users the ability to delete that list.
• Allow the users to use the results in the list above to perform new calculations.
• Add extra calculations: Square Root, Taking the Power, 10x, Trigonometry functions.

Challenges Faced and Lessons Learned:

• File Handling & Persistence – This was my first project involving reading and writing to external files, which introduced me to file I/O operations in C#.

• JSON Data Handling – I discovered JSON objects and learned why they are commonly used for storing structured data.

• Refactoring for Flexibility – Initially, the calculator was designed around operations requiring two operands. However, advanced functions (e.g., square root, sine) often require only one operand. I refactored the code so that the operation is selected first, making the calculator more flexible.

• User Input Validation – I realized the importance of validating user input to prevent errors and crashes, improving overall program stability.

Main Resources Used:

Microsoft tutorial: https://learn.microsoft.com/en-us/visualstudio/get-started/csharp/tutorial-console?view=vs-2022

Tim Corey's video regarding working with text files: https://www.youtube.com/watch?v=cST5TT3OFyg&

Various Stack Overflow Discussions