#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define A 4
#define B 2

int main()
{
    char doagain = 'Y';
    while (doagain=='Y'|| doagain == 'y')
    {
        float a[A];
        
        float w;
        float x;
        float y;
        float z;
        
        float fw;
        float fx;
        float fy;
        float fz;

        float b[2][B];
        
        float m;
        float n;
        float o;
        float p;

        float im;
        float in;
        float io;
        float ip;
             
        int any;
        printf("press 1 to convert F to C, \n press 2 to convert Inchs to Centimeters, \nor press 3 to convert Degrees to Radians.");
        scanf("%i",&any);
        
        if (any < 1 || any > 3)
        {
                printf("error! try again! \n");
        }
        
        if (any == 1)
        {
        /*Changes a given number of celsius to farenhight*/
            printf("Enter first celsius value");
            scanf("%f",&w);

            printf("Enter second celsius value");
            scanf("%f",&x);

            printf("Enter third celsius value");
            scanf("%f",&y);

            printf("Enter fourth celsius value");
            scanf("%f",&z);

            fw = ((9.0 / 5.0)*(w + 32));
            fx = ((9.0 / 5.0)*(x + 32));
            fy = ((9.0 / 5.0)*(y + 32));
            fz = ((9.0 / 5.0)*(z + 32));

            a[0]=fw;
            a[1]=fx;
            a[2]=fy;
            a[3]=fz;

            printf("\n\n Celsius to Fahrenheit Array \n a[0]= %.2f, a[1]= %.2f, a[2]%.2f,a[3] %.2f\n\n",a[0],a[1],a[2],a[3]);
        }
        
        if (any == 2)
        {
            /*This (probably) turns an entered number of centimeters to inches*/

            printf("Enter first value for centimeters");
            scanf("%f",&m);

            printf("Enter second value for centimeters");
            scanf("%f",&n);

            printf("Enter third value for centimeters");
            scanf("%f",&o);

            printf("Enter fourth value for centimeters");
            scanf("%f",&p);

            im = m*2.54;
            in = n*2.54;
            io = o*2.54;
            ip = p*2.54;

            b[0][0]=im;
            b[0][1]=in;
            b[1][0]=io;
            b[1][1]=ip;

            printf("\n Cm to Inches Array \nb[0][0]=%.2f,b[0][1]=%.2f\n,b[1][0]=%.2f,b[1][1]=%.2f\n\n",b[0][0],b[0][1],b[1][0],b[1][1]);
        }
        
        if (any == 3)
        {
            /*Radiant*/
            float h;
            float i;
            float j;
            float k;
            
            printf("Enter the first value in degrees");
            scanf("%f",&h);
            
            printf("Enter the second value in degrees");
            scanf("%f",&i);
            
            printf("Enter the thind value in degrees");
            scanf("%f",&j);
            
            printf("Enter the fourth value in degrees");
            scanf("%f",&k);
            float degree[4];
                    
            degree[0] = h;
            degree[1] = i;
            degree[2] = j;
            degree[3] = k;
                    
            float rad[4];
            
            rad[0] = h*(0.0175);
            rad[1] = i*(0.0175);
            rad[2] = j*(0.0175);
            rad[3] = k*(0.0175);
            
            float matrix[6][4];
            int index = 0;
            while (index < 4)
            {
                matrix[0][index] = sin(rad[index]); 
                matrix[1][index] = cos(rad[index]);     
                matrix[2][index] = tan(rad[index]);
                matrix[3][index] = asin(matrix[0][index]); 
                matrix[4][index] = acos(matrix[1][index]);     
                matrix[5][index] = atan(matrix[2][index]);
                index = index+1;
            }
        //Matrix has functions stored in columns
            int row = 0;
            int col = 0;
        ////////   6      6    3   3   3   4    4    4
            printf("\ndegree radian sin  cos  tan  asin  acos  atan\n");
            while(col < 4)
            {
                printf("%.4f %.4f %.2f %.2f %.2f %.3f %.3f %.3f\n",degree[col],rad[col],matrix[0][col],matrix[1][col],matrix[2][col],matrix[3][col],matrix[4][col],matrix[5][col]);
                col++;
            }
        }   
    printf("type Y to doagain or N to quit");
    scanf(" %c",&doagain);
    }
    return 0;
}