Calculator Requirements Specification

 Calculator Requirements Specification 

For a calculator, here are some of the requirements: 

- User Requirements:

Simple interface interaction: users should be able to input the numbers and the operations easily, also the output should be clear.

 Users should be able to view and reuse a history of previous calculations.

- System Requirements:

The system should be able to handle nested expressions.

The system should be able to handle operator precedence.

- Structural Requirements:

The system should be compatible with any operating system.

The system should be modular and easy to extend when adding new features.

- Usability Requirements:

The user interface should have clear instructions and the user should be able to use the system without training.

Users should get clear feedback when the input is invalid.

 - Functional Requirements:

The system should be able to perform all the arithmetic operations.

The system should be able to convert numbers from decimal to binary.

 

 

  

 

 

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