C Program that calculates GPA Posted by Samath Last Updated: February 08, 2017 6172

This is a GPA calculator that was programmed using the C programming language. The program ask the user for as many grades as the user wishes to calculate, and calculate the final gpa for the grades entered.

#include <stdio.h>
#include <string.h>
#include <conio.h>

int main(int argc, char *argv[])
{

const double A = 4.0;
const double A_MINUS = 3.67;
const double B_PLUS = 3.33;
const double B = 3.0;
const double B_MINUS = 2.67;
const double C_PLUS = 2.33;
const double C = 2.0;
const double C_MINUS = 1.67;
const double D = 1.00;
const double F = 0.0;

double credit;
double caltimes = 0;
double totalcal = 0;
double totalcredit = 0;
double finalgpa = 0;
int option;

for (;;)
{

printf("Enter the course credit: ");
scanf("%d", &credit);

{
caltimes = credit * A;
}
{
caltimes = credit * A_MINUS;
}
{
caltimes = credit * B_PLUS;
}
{
caltimes = credit * B;
}
{
caltimes = credit * B_MINUS;
}
{
caltimes = credit * C_PLUS;
}
{
caltimes = credit * C;
}
{
caltimes = credit * C_MINUS;
}
{
caltimes = credit * D;
}
{
caltimes = credit * F;
}
else
{
printf("Invaild Input...");
}

totalcredit = totalcredit + credit;
totalcal = totalcal + caltimes;

printf("Do you want to enter another grade (1 - Yes, 2 - no): ");
scanf("%d",&option);
if (option == 1)
{
continue;
}
else
{
break;
}
}

finalgpa = totalcal / totalcredit;
printf("Student's GPA: %f\n", finalgpa);

return 0;
}