quadratic calculator

makefile

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+all:
+	gcc quadratic.c -lm -o "bin-quadratic.out"

quadratic.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+void main()
+{
+    system("clear");
+
+    double num_A, num_B, num_C;
+
+    printf("Please enter the value for \"a\":\n");
+    scanf("%lf", &num_A);
+    printf("Please enter the value for \"b\":\n");
+    scanf("%lf", &num_B);
+    printf("Please enter the value for \"c\":\n");
+    scanf("%lf", &num_C);
+
+    double radical = pow(num_B, 2) + (-4 * num_A * num_C);
+    printf("\n~~ radical %f\n\n", radical);
+    if (radical < 0.0)
+    {
+        // roots are complex
+        // radical = radical * -1;
+    }
+    else
+    {
+        // roots are real
+    };
+
+    double numerator_1 = (-num_B) + sqrt(radical);
+    double numerator_2 = (-num_B) - sqrt(radical);
+    double zero_1_ptr = numerator_1 / (2 * num_A);
+    double zero_2_ptr = numerator_2 / (2 * num_A);
+
+    printf("The zeros are: %f and %f.\n", zero_1_ptr, zero_2_ptr);
+};