A software version of the CTI BlueBlook of cooling tower performance curves is available. The Windows®-based software includes a psychrometrics calculator based on the latest ASHRAE air properties formulas; a KaV/L calculator that computerizes this labor-intensive hand calculation; and an interactive demand curve worksheet. With a standard color printer, the user can produce demand curves on A4 (European) or 8.5- by 11-in. (U.S.) format pages. Cooling Technology Institute, c/o Vicky Manser, P.O. Box 73383, Houston, TX 77273; 281-583-4087; 281-537-1721 (fax); vmanser@cti.org (e-mail); www.cti.org (Web site).