// header files
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
// local constants
#define AMPS_IN_SYSTEM 15
#define VOLTS_IN_SYSTEM 120

/*
Name: Ohm's Law
Process: Given amps and volts, 
                calculate how much resistance in Ohms is present in this system.
Function input/parameters: NONE
Function output/parameters: NONE
Function output/returned: NONE
Device input/---: NONE
Device output/---: NONE
Dependencies: included by standard libraries
*/
int main()
{
    // define local variables
    int calculatedOhms;
    // do calculations
    calculatedOhms = VOLTS_IN_SYSTEM / AMPS_IN_SYSTEM;
    // display results
    printf("%d amps of current at %d volts requires %d ohms of resistance.\n", 
                              AMPS_IN_SYSTEM, VOLTS_IN_SYSTEM, calculatedOhms);
    // return success
    return 0;
}