Reference: CCP_L01_C06_GPA Calculator
Introduction
Are you a beginner in C programming
looking for a practical project? A GPA
Calculator is a perfect academic project to help students track their
performance while learning C programming basics. In this blog, we’ll build a simple yet effective GPA Calculator in C
using arrays, file handling, and modular
functions. This project is ideal for school
students (ages 8-16) and follows beginner-friendly coding standards.
1️⃣ Project Overview
The GPA
Calculator in C
allows users to:
✅ Input course names, letter grades (A,
B, C, etc.), and credit hours.
✅ Convert letter grades into numerical
grade points.
✅ Calculate GPA using the standard
formula.
✅ Save GPA records into a file (gpa_records.txt).
✅ View past GPA records at any time.
2️⃣ Features &
Functionalities
🟢 Simple Menu System – Allows users to enter grades, calculate GPA,
and view past records.
🟢 Grade Conversion System – Converts letter grades (A, B+, C, etc.)
into grade points.
🟢 GPA Calculation Formula – Uses a weighted GPA formula:
<GPA Calculation Formula.PNG>
GPA=∑(grade_points×credit_hours)∑credit_hoursGPA
= \frac{\sum (grade\_points \times credit\_hours)}{\sum credit\_hours}
🟢 File Handling – Saves GPA history in gpa_records.txt.
🟢 User-Friendly & Error Handling – Ensures valid inputs for
grades and credit hours.
3️⃣ C Code Implementation
The program consists of four core functions:
📌 enterGrades() – Takes course names, grades, and credit hours.
📌 convertGradeToPoints() – Converts letter grades into numerical points.
📌 calculateGPA() – Computes the weighted GPA.
📌 saveToFile() & viewRecords() – Handles GPA storage and
retrieval.
Check out the full C code for the GPA Calculator:
4️⃣ Running the Code in
Code::Blocks
🔹 Open Code::Blocks and create a
new C file (gpa_calculator.c).
🔹 Copy & paste the GPA Calculator code.
🔹 Click "Build and Run" (F9) to start the program.
🔹 Choose from the menu:
●
Option 1: Enter grades and calculate GPA.
●
Option 2: View past GPA records.
●
Option 3: Exit the program.
5️⃣ Conclusion
This GPA
Calculator in C is a great beginner project to practice functions, arrays, and file handling. It teaches real-world problem-solving using
programming and helps students understand how
GPA calculations work.
🔥 Enhancements You Can Add 🔥
●
Multi-user support for different
students.
●
Advanced file management
(search/edit records).
●
Graphical report generation for
better visualization.
🚀 Ready to build your first C programming project? Try this GPA Calculator and level up your coding
skills today!
📌 Download Full Code & More C Projects
Below In the eBook link! 👇
------------------------
Brief About “C Code Projects for Beginner Students (Ages
8-16)" eBook
Are you a school student aged 8 to 16
with a budding interest in programming, or perhaps looking for a hands-on way
to master C language for your academic projects? Look no further! I am thrilled
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your ultimate guide to practical C programming.
Ready to start your coding adventure?
[Click below any links to get your copy of
"C Code Projects for Beginner Students (Ages 8-16)"!]
eBook CCP_L01 Link:
https://play.google.com/store/books/details?id=KS54EQAAQBAJ [Google Play Store]
https://books.google.co.in/books?id=KS54EQAAQBAJ [Google Books]
Enjoy this eBook CCP_L01 on ‘C Code Projects
for Beginner Students’ series and do not forget to explore other resources
related to this series eBook. Thanks for visiting my blog.
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Happy Reading!
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