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## Equals sign - Wikipedia

en.wikipedia.org/wiki/Equals_sign

The equals sign or equality sign (=) is a mathematical symbol used to indicate equality. It was invented in 1557 by Robert Recorde. In an equation, the equals ...

## The invention of the equals sign

ualr.edu/lasmoller/equals.html

The symbol '=' was first used only in 1557! It was the invention of a Welshman named Robert Recorde, the man who first introduced algebra to England. Recorde ...

## Where the Equal Sign Came From - Today I Found Out

www.todayifoundout.com/index.php/2011/02/where-the-equal-sign-came-from/

Feb 17, 2011 ... The equal sign (“=”) was invented in 1557 by Welsh mathematician Robert Recorde, who was fed up with writing “is equal to” in his equations.

Sep 27, 2013 ... How did the equal sign originate? We try to answer this question in 2 minutes or less, so learn more about it from this short history of the ...

## Tenby man who invented the equals sign remembered in exhibit ...

www.bbc.com/news/uk-wales-34259108

Sep 16, 2015 ... As well as laying claim to being the inventor of the mathematical equals sign, Recorde was also the man who introduced algebra to Britain.

## The Universe of Discourse : Robert Recorde invents the equals sign

blog.plover.com/math/recorde.html

Apr 7, 2006 ... Robert Recorde invents the equals sign · I mentioned recently that the integral sign $$\int$$ is actually a letter "S", chosen by Leibnitz because ...

## Earliest Uses of Symbols of Relation

jeff560.tripod.com/relation.html

Nov 11, 2011 ... In printed books before the modern equal sign, equality was usually ... These symbols were "employed, if not invented by, Euler" (Ball, page ...

## Retrobituaries: Robert Recorde, Inventor of the Equals Sign | Mental ...

mentalfloss.com/article/76342/retrobituaries-robert-recorde-inventor-equals-sign

Mar 4, 2016 ... In the 16th century, British mathematics was somewhat lacking compared to other advanced nations in Europe. However, a doctor and math ...

## How were humans doing math before the equal sign was invented ...

www.quora.com/How-were-humans-doing-math-before-the-equal-sign-was-invented-in-1557-by-Robert-Recorde

Since math is a documented process going back to before 2000 bc, the equals sign is only a modern accepted "equivalent" to the signs used ...

## Welsh History Month: Some kind of Recorde...polymath, physician ...

www.walesonline.co.uk/lifestyle/nostalgia/welsh-history-month-kind-recordepolymath-10357697

Oct 30, 2015 ... While his invention secured Recorde's place in history there was much ... It = the equals sign, and its creator was the Tenby-born polymath ...

### The Invention of the Equals Sign | WIRED

www.wired.com

Oct 30, 2014 ... The use of '=' to mean 'equals' is one of those minor advances in mathematics that we take for granted. It's so small that we don't really think ...

### Robert Recorde - the man who invented the equals sign - BBC

www.bbc.co.uk

Robert Recorde - the man who invented the equals sign. Thursday 03 June 2010 , 11:07. Phil Carradice. Tagged with: South West Wales · history · Comments.

### Math As Language: Understanding the Equals Sign – BetterExplained

betterexplained.com

Sep 24, 2012 ... In 1557, Robert Recorde invented the equals sign, written with two parallel lines (=), because “noe 2 thynges, can be moare equalle”.