//May 21, 2004
//Given the candle power of a light source and it's distance from the object,
//compute the illumination of the object.

//1 Lux = 1 meter-candle, i.e., illumination from 1 std cdl at 1 meter range. 
//Since there are 10.76 sq ft per sq meter, it follows that there are 10.76 lux per foot candle.

#include <iostream.h>
float candlepower, distance, illumination;
main()
{
	cout<<"\tIllumination Calculation\nThis program calculates the illumination of an object, when"<<endl<<
		"given the candle power, and given the distance of the object."<<endl;
	cout<<"How much candle power does the light source emit? ";
	cin>>candlepower;
	cout<<"How far away is the object, in meters? ";
	cin>>distance;
	illumination = distance * candlepower;
	cout<<"The object is illuminated at "<<illumination<<" Lux (meter-candles)."<<endl;
	return 0;
}