Question

write in C code

23. Write a program to generate a table of conversions from Celsius to Rankin. Allow the user to enter the starting temperature and increment between lines. Print 25 lines in the table. Use a for loop in your solution. Write the data from the table to save in a .txt file.

Answer 1

In this C program

- We are accepting a starting temperature and increment from the user and store it in the start and inc variables respectively.

- We are requesting the user to enter the file name(You can give your own file name statistically)

(For understanding Purpose, Here, we are accepting the file name from the user)

- Based on the Formula Fahrenheit = (celsius* (float)9 / 5) + 32 we are converting using for loop for 25 times

- Finally, printing to the console along with writing the table to the given filename

Program:

#include<stdio.h>
#include <string.h>
int main()
{

//Temperature conversion variables
float start,end;
int inc,i=0;
int celsius,fahr;

//File pointer variables
FILE *fp;
char fName[20];

//Accepting starting and increment values from the user
printf("Enter the starting temperature: ");
scanf("%f",&start);
printf("Enter the increment: ");
scanf("%d",&inc);

//Accepting a filename to store the data
printf("\nEnter file name to create :");
scanf("%s",fName);

//creating and opening a file
fp=fopen(fName,"w");

//check file created or not
if(fp==NULL)
{
printf("File does not created!!!");
exit(0); /*exit from program*/
}

//Converting from Celsius to Fahrenheit(Rankin)
fprintf(fp,"Celsius\t\tFahrenheit\n");
for(i=0;i<25;i++)
{

float fahrenheit = (start * (float)9 / 5) + 32;
//storing data into a file
fprintf(fp,"%.2f\t\t%.2f\n ", start, fahrenheit);
//Printing the data to the console
printf("%.2f\t\t%.2f\n",start,fahrenheit);
start=start+inc;

}

fclose(fp);

return 0;
}

main.c x #include<stdio.h> #include <string.h> int main() El { //Temperature conversion variables float start, end; int inc,i=0; int celsius, fahr; //File pointer variables FILE *fp; char fName [20]; //Accepting starting and increment values from the user printf("Enter the starting temperature: "); scanf("%f", &start); printf("Enter the increment: "); scanf("%d",&inc); //Accepting a filename to store the data printf("\nEnter file name to create :"); scanf("%s", fName); //creating and opening a file fp=fopen(fName, "w"); // check file created or not if(fp==NULL) printf("File does not created!!!"); exit(0); /*exit from program*/

// Converting from Celsius to Fahrenheit (Rankin) fprintf(fp,"Celsius\t\tFahrenheit\n"); for(i=0;i<25;i++) in wwww OLO CO w float fahrenheit = (start * (float) 9 / 5) + 32; // storing data into a file fprintf(fp,"%.2f\t\t%.2f\n ", start, fahrenheit); // Printing the data to the console printf("%.2f\t\t%.2f\n", start, fahrenheit); start=start+inc; W N 00 fclose(fp); return 0; O uuu N

Output:

11 IULICUJUJ_U_LUTILI uy ILIJIU-- BUA Enter the starting temperature: 100 Enter the increment: 10 Enter file name to create :Temperature.txt 100.00 212.00 110.00 230.00 120.00 248.00 130.00 266.00 140.00 284.00 150.00 302.00 160.00 320.00 170.00 338.00 180.00 356.00 190.00 374.00 200.00 392.00 210.00 410.00 220.00 428.00 230.00 446.00 240.00 464.00 250.00 482.00 260.00 500.00 270.00 518.00 280.00 536.00 290.00 554.00 300.00 572.00 310.00 590.00 320.00 608.00 330.00 626.00 340.00 644.00 Process returned 0 (0x0)_execution time : 8.318 S Press any key to continue.

A Temperature.txt - WordPad File Home View yil 11 12 13 14 Celsius 100.00 110.00 120.00 130.00 140.00 150.00 160.00 170.00 180.00 190.00 200.00 210.00 220.00 230.00 240.00 250.00 260.00 270.00 280.00 290.00 300.00 310.00 320.00 330.00 340.00 Fahrenheit 212.00 230.00 248.00 266.00 284.00 302.00 320.00 338.00 356.00 374.00 392.00 410.00 428.00 446.00 464.00 482.00 500.00 518.00 536.00 554.00 572.00 590.00 608.00 626.00 644.00

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