settlement,maturity,pr,redemption,basis!Returns the discount rate for a security!is the security's settlement date, expressed ...

!settlement,maturity,pr,redemption,basis!!Returns the discount rate for a security!is the security's settlement date, expressed as a serial date number!is the security's maturity date, expressed as a serial date number!is the security's price per $100 face value!is the security's redemption value per $100 face value!is the type of day count basis to use!