Number Analysis Toolkit (C)

A modular C program that performs number analysis using multiple functions.

Features

• Reverse a number
• Calculate sum of digits
• Check if a number is a palindrome
• Save results to a file
• View saved results
• Menu-driven user interface

Technologies

• C programming language
• File handling (fopen, fprintf, etc.)
• Loops and conditionals

How to Run

1. Compile: gcc main.c -o program
2. Run: ./program.exe

Example

Choice: 2
Enter a positive integer: 456

Result:

• Reversed: 654
• Digit Sum: 15
• Palindrome: No
• Saved to file