exercise 4

4_Simple_Calculation_extended/Simple_Calculation_extended.c

@@ -0,0 +1,33 @@
+/* Extended means using doubles in this case, so floating point numbers can be used. Thus,
+the modulo operation is not usable anymore and has been removed. */
+
+#include <stdio.h>
+
+int main() {
+    // creating variables
+    double first = 0, second = 0, addition = 0, subtraction = 0, multiplication = 0, division = 0;
+
+    // receiving numbers from user
+    printf("Please type in the first integer: ");
+    scanf("%lf", &first);
+    printf("Please type in the second integer: ");
+    scanf("%lf", &second);
+
+    // checking numbers
+    printf("Your input: %lf and %lf\nCalculating...\n\n", first, second);
+
+    // calculating
+    addition = first + second;
+    subtraction = first - second;
+    multiplication = first * second;
+    if (second != 0) {
+        division = first / second;
+    } else {
+        printf("\nError: Dividing by 0 is not allowed. Output will be 0 for devision and modulo.\n\n");
+    }
+
+    // output of calculation
+    printf("The results are:\n+ = %lf\n- = %lf\n* = %lf\n/ = %f\n", addition, subtraction, multiplication, division);
+
+    return 0;
+}