public void testtoString(){
    	Term t1=new Term(2.0,1);
    	assertEquals("Matches","2.0x",t1.toString());
    	t1=new Term(2.0,0);
    	assertEquals("Matches","2.0",t1.toString());
    	t1=new Term(1,1);
    	assertEquals("Matches","x",t1.toString());
    	t1=new Term(-1,1);
    	assertEquals("Matches","-x",t1.toString());
    	t1=new Term(0,3);
    	assertEquals("Matches"," ",t1.toString());
    	t1=new Term(1,3);
    	assertEquals("Matches","x^3",toString());
    	t1=new Term(-1,3);
    	assertEquals("Matches","-x^3",toString());