I Have Completed Part 1 And Part 2, I Just Need Part 3 Detai

I Have Completed Part 1 And Part 2 I Just Need Part 3 Details Below

I have completed part 1 and part 2, I just need Part 3 (details below) I have attached the code and write-up along with Part 1: Write, Run, and Test the Application Use the code in the Assessment 1 Part 1 Instructions document (linked in the Resources under the Required Resources heading) to complete this part of your assessment. Be sure to test the application with a variety of values before you proceed to Part 2. The program produces accurate results with some numeric values but not with others. Note when the results are accurate and when they are not. Part 2: Improve the Application Based on any required and optional assessment resources that you choose to use, modify the code to fix the accuracy problem. Be sure to comment and format the code correctly. Part 3: Describe the Application After running your application and observing the results, write a 1–2-page paper in which you complete the following: Define the variables in an application. Define the expressions in an application. Explain the data types in an application. Discuss the cause of the inaccuracy in the original code and the approach used to fix this problem.

Paper For Above instruction

Introduction

Understanding the intricacies of application variables, expressions, and data types is crucial for developing accurate and reliable software. The observed inaccuracies in the initial code highlight common pitfalls encountered when handling numeric computations, especially concerning data types and calculation expressions. This paper aims to elucidate these concepts, analyze the root causes of the inaccuracies, and explain the modifications implemented to enhance the application's precision.

Variables in an Application

Variables are fundamental in programming, serving as storage locations with identifiable names associated with specific data. They act as placeholders that hold information which can be manipulated during program execution. In the context of the application, variables may include labels such as 'num1', 'num2', or 'result', each representing numerical inputs, intermediate calculations, or final outputs. Proper variable declaration, naming, and initialization are critical to managing data effectively and ensuring the program's logic aligns with the intended calculations.

Expressions in an Application

Expressions in programming are combinations of variables, values, operators, and functions that evaluate to produce a new value. They define the computational logic within the application. For example, an expression like 'num1 + num2' adds two variables, while 'result = num1 + num2' assigns this sum to a variable named 'result'. Accurate expressions depend on syntactically correct combinations and the appropriate ordering of operations, adhering to programming language standards. Misconstructed expressions or improper operator precedence can lead to erroneous results, as observed in the initial application.

Data Types in an Application

Data types specify the kind of data that variables can hold—such as integers, floating-point numbers, characters, or strings. They influence how calculations are performed and affect the precision of results. In the initial code, the use of integer data types for calculations involving division or floating-point operations likely contributed to the inaccuracy. For example, integer division truncates the decimal part, leading to precision loss. Changing variables involved in decimal calculations to 'float' or 'double' data types ensures that fractional parts are preserved, thereby improving accuracy.

Cause of Inaccuracy in the Original Code

The primary cause of inaccuracy in the original application stemmed from improper data type selection and the handling of division operations. Using integer data types for calculations involving division resulted in truncated results, producing misleading or incorrect outcomes. Additionally, the expressions may have been constructed without considering operator precedence or appropriate casting, compounding the problem. Such issues are common in programming when developers overlook the importance of choosing suitable data types and structuring expressions carefully.

Approach Used to Fix the Inaccuracy

To address these issues, the code was modified to declare relevant variables using floating-point data types, such as 'float' or 'double'. This change allowed the application to perform decimal calculations with higher precision. Furthermore, explicit casting was utilized where necessary to ensure operations involving integers would be converted to floating-point calculations. Comments were added to clarify the purpose of variable declarations and computations, promoting maintainability and readability. These modifications collectively improved the accuracy and reliability of the application's results.

Conclusion

In conclusion, understanding the roles of variables, expressions, and data types is vital in creating accurate software applications. The initial inaccuracies observed were primarily due to improper data type choices and expression construction that failed to account for decimal precision. By carefully selecting suitable data types and structuring calculations correctly, the application was refined to produce precise results. This process underscores the importance of meticulous coding practices and thorough testing to ensure software reliability.

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