According to the BBC’s “100 things we didn’t know this time last year“:

The = sign was invented by 16th Century Welsh mathematician Robert Recorde, who was fed up with writing “is equal to” in his equations. He chose the two lines because “noe 2 thynges can be moare equalle”.

99 other facinating facts are available on the BBC via this link: 100 things.

This entry was posted by ForumLead on Friday, December 30th, 2005 at 5:17 pm and is filed under Wales. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.