I would like to add a "%b" format for converting numbers to binary format (1's and 0's). I realize this isn't a C-ism, but it would be very useful for teaching purposes, as newcomers find 101101 a lot easier to understand than 0x2D. Reactions? Greg ----------------------------------------------------------------------------------------------------------------- The information contained in this message is confidential and is intended for the addressee(s) only. If you have received this message in error or there are any problems please notify the originator immediately. The unauthorized use, disclosure, copying or alteration of this message is strictly forbidden. Baltimore Technologies plc will not be liable for direct, special, indirect or consequential damages arising from alteration of the contents of this message by a third party or as a result of any virus being passed on. In addition, certain Marketing collateral may be added from time to time to promote Baltimore Technologies products, services, Global e-Security or appearance at trade shows and conferences. This footnote confirms that this email message has been swept by Baltimore MIMEsweeper for Content Security threats, including computer viruses.