Invention of equal (=)

By MindStick

In 1557, Welsh physician and mathematician Robert Recorde invented the equal sign (=).

Prior to Recorde, mathematicians used a number of symbols to denote equality, such as ae (aequalis), oe (aequalis), or aeq (aequalis).

Recorde's new symbol, a simple, clear, and easy to use, replaced previous confusing symbols, establishing it as the global standard for equality.

It signifies new discoveries in science and mathematics, like Einstein's equation E = mc^2, which explains the relationship between energy and mass.

It also symbolises progress, growth, problem-solving, promoting balance, fairness, equal rights, contributing to a harmonious and equitable world.

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