Introduction
			
			The Integral calculator is a tool within the Graphing Calculator that can calculate the definite integral of an expression.
			
			The warning that appears is there because the feature is experimental, and wasn't throughly tested.
		 
		
		
			
			Calculating
			To calculate a definite integral, follow the steps:
			Step 1: Click the 
Integrate button. 
			
Step 2: Type an expression in the 
Expression field. 
			
Step 3: Type an interval in the 
Interval fields. 
			
Step 4: Press 
Calculate to perform the calculation.