Calculator

Calculator by Mohit Purohit

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/*     

Creator - Mohit Purohit

Date       - 21 Jan. 2022

Time      - 8:52 P.M.

*/

#include<stdio.h>

#include<conio.h>

//#include<string.h>

int  main()

{ 

    clrscr();

    

    /*

     'num1' and 'num2' are 'float' means decimal value.

     

     'op' means operator and 'op' is a 'char' means character.

     

     Then result is also a 'float' value.

    */

    

    float num1;

    float num2;

    char op;

    float result;

    const float p=3.14159265;

    

    // User enter the first number means 'num1'.

    

    printf("Enter the first number : ");

    

    scanf("%f",&num1);

   

    

    // User enter the operator means 'op'.

    

    printf("\nEnter the operator : ");

    

    scanf(" %c",&op);

    

    

    // User enter the second number means 'num2'.

    

     printf("\nEnter the second number : ");

    

    scanf("%f",&num2);

    

    

    

    switch (op)

    

{  

    case '-' :

    

    result = num1-num2;

    

    printf("\n%g - %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n", num1, num2, result);

    

    break;

    

    

    case '+' :

    

    result = num1+num2;

    

    printf("\n%g + %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n", num1, num2,result);

    

    break;

    

    

    case 'x' :

    

    result = num1*num2;

    

    printf("\n%g × %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n", num1, num2, result);

    

    break;

    

    

    case '/' :

    

    result = num1/num2;

    

    printf("\n%g ÷ %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n", num1, num2, result);

    

    break;

    

    

    case '%' :

 

    result = num1*num2/100;

    

    printf("\n %g %% %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n",num1, num2, result);

    

    break;

     

        

   case 'p' :

   

   result = num1*p*num2;

   

   printf ("\n%g × π × %g = %g \n\n\n👦👦I hope this is helpful for you👦👦\n\t - Mohit Purohit  \n\n\n\n",num1, num2, result);

   

   break; 

  

   

    default :

    

    printf("\n\n\n\n\n\t SORRY !\nI think you have mistaken.  \n\n\n");

}

    getchar();

    

    return 0;

}