tableabc.c

// cw coleman  Do not copy and pase this code.  Type it. I did!
//compile  gcc tableabc.c -o tableabc -lm
// run ./tableabc
#include <stdio.h>
#include <math.h>
float table (float a, float b,float c);
float main(){
    float a,b,c,d;
    printf("\n\t ************* ************* ************* ************* *************\n");
    printf("\t Type in 3 values for a,b and c. Type Enter after each input.\n");
    printf("\t The square root of a+b+c will be calculated and displayed.\n");
    printf("\t Input a:");
    scanf("%f", &a );
    printf("\t Input b:");
    scanf("%f", &b );
    printf("\t Input c:");
    scanf("%f", &c );
    printf("\n\t ************* ************* ************* ************* *************\n");
    table (a,b,c);
        return 0;
}


float table (float a, float b, float c){

        int x;
        float y;
        printf("\t x \t | \t y \n");

        for (x = -20; x < 21; x++){
            y = a*(x*x) + (b*x) +c;
            printf("\t %d \t | \t %f\n", x,y);

        }
        return 0;

}