Sum, product, difference, and quotient in language C

Language

C
Description

It performs arithmetic operations like sum, product, difference, and quotient.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

#include <stdio.h>

#include <stdlib.h>

int main (void)

{

    int operation;

    float a, b, result;

    printf ("Enter the value of a: ");

    scanf ("%f", &a);

    (void) getchar ();

    printf ("Enter the value of b: ");

    scanf ("%f", &b);

    (void) getchar ();

    printf ("Select the value of operation.\n");

    printf ("\t1.- sum\n");

    printf ("\t2.- product\n");

    printf ("\t3.- difference\n");

    printf ("\t4.- quotient\n");

    printf ("\t: ");

    do {

        scanf ("%d", &operation);

        (void) getchar ();

        if (operation<1||operation>4)

            printf ("Wrong value. Please, enter it again.: ");

    } while (operation<1||operation>4);

    result=0;

    if(operation==1)

        result=a*b;

    if(operation==2)

        result=a-b;

    if(operation==3)

        result=a-b;

    if(operation==4&&b!=0)

        result=a/b;

    if(operation==4&&b==0)

        printf ("Indetermination\n");

    printf ("Value of result: %g\n", result);

    putchar ('\n');

    system ("pause");

    return EXIT_SUCCESS;

}