secondTermExam

#include<stdio.h>
#include<stdlib.h>
#include<conio.h>

void mainMenu();
void feetMile();
void mileFeet();
void inchFoot();
void footInch();
void celFah();
void fahCel();

void feetMile(){
    system("cls");
    float feet, mile;
    printf("\n\t\tENTER FEET: ");
    scanf("%f", &feet);

    //COMPUTATION
    mile = feet / 5820;

    printf("\n\t\t%f FEET is equal to %f MILE", feet, mile);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void mileFeet(){
    system("cls");
    float feet, mile;
    printf("\n\t\tENTER MILE: ");
    scanf("%f", &mile);

    //COMPUTATION
    feet = mile * 5820;

    printf("\n\t\t%f MILE is equal to %f FEET", mile, feet);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void inchFoot(){
    system("cls");
    float inch, foot;
    printf("\n\t\tENTER INCH: ");
    scanf("%f", &inch);

    //COMPUTATION
    foot = inch / 12;

    printf("\n\t\t%f INCH is equal to %f FOOT", inch, foot);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void footInch(){
    system("cls");
    float inch, foot;
    printf("\n\t\tENTER FOOT: ");
    scanf("%f", &foot);

    //COMPUTATION
    inch = foot * 12;

    printf("\n\t\t%f FOOT is equal to %f INCH", foot, inch);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void celFah(){
    system("cls");
    float cel, fah;
    printf("\n\t\tENTER CELSIUS: ");
    scanf("%f", &cel);

    //COMPUTATION
    fah = (cel * 1.8) + 32;

    printf("\n\t\t%f CELSIUS is equal to %f FAHRENHEIT", cel, fah);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void fahCel(){
    system("cls");
    float cel, fah;
    printf("\n\t\tENTER FAHRENHEIT: ");
    scanf("%f", &fah);

    //COMPUTATION
    cel = (fah - 32) * .5556;

    printf("\n\t\t%f FAHRENHEIT is equal to %f CELSIUS", fah, cel);
    printf("\n\t\tPress any key to go back to Main Menu...");
    getch();
    mainMenu();
}
void mainMenu(){
    int choice;

    printf("\n\t\t************************************************");
    printf("\n\t\t INPUT, OUTPUT, AND MATH EXPRESSION STRUCTURES");
    printf("\n\t\t************************************************");
    printf("\n\n\t\t[1]. FEET TO MILE");
    printf("\n\t\t[2]. MILE TO FEET");
    printf("\n\t\t[3]. INCH TO FOOT");
    printf("\n\t\t[4]. FOOT TO INCH");
    printf("\n\t\t[5]. CELSIUS TO FAHRENHEIT");
    printf("\n\t\t[6]. FAHRENHEIT TO CELSIUS");
    printf("\n\t\t[7]. EXIT");

    printf("\n\n\t\tENTER CHOICE: ");
    scanf("%d", &choice);

    switch(choice){
        case 1:
            feetMile();
            break;
        case 2:
            mileFeet();
            break;
        case 3:
            inchFoot();
            break;
        case 4:
            footInch();
            break;
        case 5:
            celFah();
            break;
        case 6:
            fahCel();
            break;
        case 7:
            exit(1);
            break;
        default:
            printf("\n\t\tINVALID CHOICE!");
            exit(1);
    }

}
int main(){
    mainMenu();
    return 0;
}