public static ArrayList<Student> calcSudentGPA(ArrayList<Student> inList)
	{
		int numGrades = 3;
		double class1 = 0.0;
		double class2 = 0.0;
		double class3 = 0.0;
		double sumClass = 0.0;
		double gradePtAvg = 0.0;
		
		for(int i=0; i < inList.size(); i++)
		{
			class1 = convertGrade(inList.get(i).getGrade1());
			class2 = convertGrade(inList.get(i).getGrade2());
			class3 = convertGrade(inList.get(i).getGrade3());
			
			sumClass = class1 + class2 + class3;
			
			gradePtAvg = (sumClass/numGrades);
			
			inList.get(i).setGpa(gradePtAvg);
		}
		
		return inList;
	}