MACHIAS — Office workers and students who have experience with computer spreadsheets and would like to make their procedures more productive may enroll in a course titled “Topics in Advanced Spreadsheet Applications.” The course will be offered by the University of Maine at Machias from 5:30 to 7 p.m. Tuesdays and Thursdays, July 9-Aug. 15. The course will be taught by Richard Paul of the UMM faculty. For more information, call 255-3313, Ext. 289.