The Pleasanton Library is presenting Excel classes at beginners and intermediate levels. Participants can gain skills for career advancement by learning formatting and more. The classes are being taught by a finance professional with over 10 years of experience. Sessions are from 6-7 p.m. Monday, Oct. 21 for Beginners Excel and Thursday, Oct. 31 for the Intermediate Excel. Registration is required, as space is limited. Ask at the Reference Desk or call 925-931-3400, extension 4.