The PRESENT-VALUE function returns a value that approximates the present value of a series of future period-end amounts specified by argument-2 at a discount rate specified by argument-1. The type of this function is numeric. 
 
  General Format
 
	  
	  
 
  Arguments
 
	   
	 - Argument-1 and argument-2 must be of the class numeric. 
	 
- The value of argument-1 must be greater than -1. 
	 
Returned Values
 
	   
	 - The returned value is an approximation of the summation of a series of calculations with each term in the following form: 
		argument-2 / (1+argument-1) ** n 
		 There is one term for each occurrence of argument-2. The exponent, n, is incremented from one by one for each term in the series. 
		 
- Floating-point format is used for numeric non-integer results.