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The Lexington Computer and Technology Group (LCTG) is a volunteer, no-cost, not-for-profit, just-for-fun-and-education organization that meets most Wednesdays from 10am to 11:30am to discuss a wide variety of technical issues. (Sometimes we meet at a different time, see this in the schedule below.) Meetings are open to anyone interested in the topic(s). The group has an email list (see how to join below) for announcements and discussions.

click to learn about the group

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The LCTG grew out of “The Computer Group” which existed prior to the opening of the Lexington Community Center, which is where we meet now.

Members of the group come from all walks of life, education, and previous experiences. Talks are presented by members of the group as well as outside experts on a variety topics of interest to the group. There is a schedule for future talks as well as a record of previous talks, below.

Many of the meetings feature an outside expert; others are led by group members. Time is set aside, approximately once a month, for short talks and for members to bring questions or problems to the membership. If you could present a topic of interest to the group, please contact us at

Members can be active, attending most of the meetings, or contributing to the discussion list, or can merely take advantage of the material being posted regarding our talks. There is no requirement for living in Lexington, and although the group started in the Lexington Senior Center there is no requirement to be a senior. The technical level of the talks varies considerably, making much of the material of interest to those with more modest technical abilities.

Given the current Covid-19 situation, presentations are being held online, weekly, on Wednesdays at 10am. See info on upcoming meetings below.

While we anticipate returning to the Lexington Community Center for our meetings sometime in the future, for obvious reasons we cannot predict when this will happen. The online format is working however.

If you would like to join the meeting, you will need to join the group (see above) to get emails with the meeting connection information. For security reasons we cannot post this here on this site so either contact a member, write us at, or join the group – it's free and painless.

For further information contact group lead John Rudy at (goes to John and others), (John only), or call John at 781-861-0402. We look forward to have you join us!

Join the Email List

To receive notices of upcoming meetings and join discussions, send an email to and include in the body of your email:

  • Your full name
  • Town of Residence
  • Brief self-introduction and your interest in the group
  • Optionally, topic(s) of interest you might present or share at a group meeting

To send a message to the list, address your email to:
Learn about the email list
See files from presentations year 2018 and earlier. More recent presentation files are included on this page, below.
See Yahoo group messages in raw form from 2010 to October 2019
Some useful websites contributed by group members
Potential topics the group is considering
Send us your suggestions for talks, videos, presentations, or how to make the group better
Learn about being a volunteer Moderator If you'd like to be a Moderator, it's not a difficult job and you'll help the group by volunteering, please let us know.

lctgintro.txt · Last modified: 2022.03.15 08:46 by Steve Isenberg