The Excel Pricedisc function calculates the price, per $100 face value of a discounted security.
The syntax of the function is:
Where the arguments are as follows:
settlement    The settlement date of the security (i.e. the date that the coupon is purchased).  
maturity    The maturity date of the security (i.e. the date that the coupon expires).  
discount    The security's percentage discount rate.  
redemption    The security's redemption value per $100 face value.  
[basis]    An optional integer argument that specifies the financial day count basis that is used by the security. Possible values are:

Warning: If you enter text representations of dates into Excel functions, the interpretation of these can differ, depending to the date system and date interpretation settings on your computer. Therefore, the settlement and maturity dates should be entered into the Pricedisc function as either:
In the following example, the Excel Pricedisc function is used to calculate the price per $100 face value of a discounted security purchased on 01Apr2011, with maturity date 31Mar2015 and a discounted rate of 2.5%. The redemption value is $100 and the US (NASD) 30/360 day count basis is used:
A  B  

1  Settlement Date:  01Apr2011 
2  Maturity Date:  31Mar2015 
3  =PRICEDISC( B1, B2, 2.5%, 100 ) 
The above function returns the value 90.00.
I.e. the price of security with the above terms would be $90.00
Note that, in the above example:
Further examples of the Excel Pricedisc function are provided on the Microsoft Office website.
If you get an error from the Pricedisc function, this is likely to be one of the following:
#NUM!    Occurs if either:

#VALUE!    Occurs if either:
