Meetings to learn about volunteer positions available, and the skills and time commitments expected, take place from 1 to 3 p.m., Tuesday, Oct. 29, at Murphy-Wilmot Branch Library, 520 N. Wilmot Road; and from 9:30 a.m. to noon, Thursday, Oct. 31, at the AARP Tucson Information Center, 6700 N. Oracle Road, No. 331; free. Volunteer tasks are available at more than 20 sites around Tucson, and many require no experience with computers or softwaree. Call 571-9884, or visit aarp.org/taxaide
to register and for more information.