In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Chris Savage wrote: John, While I have an extensive electronics background, especially in Digital and Microprocessor technology, I never got any college education in AC electronics, such as you would get at the end of your Engineering degree (the goos stuff)...Thusly I have heard several variations on the sources of these symbols. I have always (Since I was into electonics) known what they mean, but the origins don't seem to be a simply answer even for engineers. Below is a recent thread with the same question, and some possible answers. [url=http://forums.parallax.com/forums/default.aspx?f=5&m=64627]http://forums.parallax.com/forums/default.aspx?f=5&m=64627[/url] ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=87683#m87719 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)