"FOREIGN EXCHANGE RATES, CONVERSION TO US DOLLARS. To convert TO US dollars from these other exchange rates, enter the values of appropriate currency variable. To change the conversion rates, refer to BusinessWeek Index, found near p. 6 of Business Week (tm, McGraw-Hill): Type (F6). Select and change the appropriate conversion rate. Type (enter). Type (F9) to save new version. Rates on May 29, 1993. Type (F2) to return to application file. ''(c) PCSCC, Inc. 1993."