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Equals sign

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.

The Invention of the Equals Sign | WIRED

www.wired.com/2014/10/invention-equals-sign/

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 ...

Sep 27, 2013 ... How did the equal sign originate? ... so learn more about it from this short history of the equality sign. I.. ... A Welshman invented the equal sign!﻿.

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 ...

The equal sign - more trouble than it's worth? - Interactive Mathematics

www.intmath.com/blog/mathematics/the-equal-sign-more-trouble-than-its-worth-4986

Aug 25, 2010 ... Did you realize that the equals sign is a relatively recent invention, and that mathematicians did just fine without it for thousands of years?

Question of the day: Who invented the Equal Sign?

www.questionotd.com/2007/06/who-invented-equal-sign.html

Jun 13, 2007 ... A bit of math trivia for you today. The equals sign = was invented in 1557 by Welsh mathematician Robert Recorde. In his book, The Whetstone ...

Math As Language: Understanding the Equals Sign – BetterExplained

betterexplained.com/articles/math-as-language-understanding-the-equals-sign/

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

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 ...

Equal sign | Define Equal sign at Dictionary.com

www.dictionary.com/browse/equal-sign

Equal sign definition, the symbol (=), used in a mathematical expression to indicate that ... People invent new words all the time, but which ones actually make it?

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

www.bbc.co.uk

Jun 3, 2010 ... Recorde was born in Tenby in the year 1510, the son of Thomas Recorde from the Pembrokeshire town itself and of Rose Jones of North Wales ...

The Universe of Discourse : Robert Recorde invents the equals sign

blog.plover.com

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 ...

Where the Equal Sign Came From - Today I Found Out

www.todayifoundout.com

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.