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The first person to write about them was Gerolamo Cardano in 1545, but he doesn't seem to have taken them seriously.

See http://en.wikipedia.org/wiki/Gerolamo_Cardano .

The first serious use of imaginary numbers (better, complex numbers) was by Rafael Bombelli, published in 1572. He used them as intermediate steps when solving cubic equations.

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Q: Who are the mathematicians that discovered imaginary numbers?
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How did imaginary numbers get their name?

Rene Descartes came up with the word imaginary in 1637 to describe them. It was a derogatory term. He (and many other mathematicians of that age) did not like imaginary numbers. Many people didn't believe in them, because they were not real.


Who were the mathematicians who contributed to the discovery of real numbers?

It has been known from very ancient times that the length of the diagonal of a unit square is not a rational number. There were no specific mathematicians who "discovered" real numbers. Furthermore, all mathematicians of any significance, contributed to our understanding of real numbers.


Where did complex and imaginary numbers come from?

The 16th century Italian mathematician, Gerolamo Cardano was the first to use imaginary and complex numbers in his work on cubic equations.


What are imaginary numbers?

In mathematics, an imaginary number is a number whose square is a negative real number and written in the form bi where i is the imaginary number √(-1) and b is real.A complex number is a number with both real and imaginary numbers, such as (3+2i), where 3 is real and 2i is imaginary.Imaginary numbers were 'invented' by Gerolamo Cardano in the 1500's while solving cubic and quartic equations although it is said he did not understand their properties, and they were not properly defined until 1572 by Rafael Bombelli, although he did not name them imaginary numbers.The name came from Descartes in his book "La Geometrie" where it was meant to be derogatory and sarcastic, as the number √(-1) was thought not to exist by many mathematicians. It was not until the work of Euler in analysis that the imaginary number i was properly understood and widely acknowledged as being a proper numberAnother AnswerMathematicians call the horizontal and vertical axes of a graph, the 'real' and 'imaginary' axes. Numbers lying along the real (horizontal) axis are called 'real numbers', and numbers lying along the imaginary (vertical) axis are called 'imaginary numbers'.(see first discussion page entry)


What is complex math?

Complex math covers how to do operations on complex numbers. Complex numbers include real numbers, imaginary numbers, and the combination of real+imaginary numbers.

Related questions

How were imaginary numbers discovered?

Imaginary numbers were discovered when mathematicians tried to solve equations of the form x^2 + 2 = 0


What group of mathematicians first discovered the irrational numbers?

Pythogora


How did imaginary numbers get their name?

Rene Descartes came up with the word imaginary in 1637 to describe them. It was a derogatory term. He (and many other mathematicians of that age) did not like imaginary numbers. Many people didn't believe in them, because they were not real.


What did the mathematicians call square -1?

That number is called "i", the imaginary unit. The name "imaginary" is for historical reasons; these numbers have many practical applications, for example in electricity.


Are all numbers real numbers?

There are mathematical concepts that mathematicians call "imaginary numbers" these are a multiple of the square root of minus 1. Infinity is not a real number either.


Who were the mathematicians who contributed to the discovery of real numbers?

It has been known from very ancient times that the length of the diagonal of a unit square is not a rational number. There were no specific mathematicians who "discovered" real numbers. Furthermore, all mathematicians of any significance, contributed to our understanding of real numbers.


Where did complex and imaginary numbers come from?

The 16th century Italian mathematician, Gerolamo Cardano was the first to use imaginary and complex numbers in his work on cubic equations.


What is an unreal in math?

The only thing I can think of that you might mean is an imaginary or complex number. Since there is no solution to √(-1) mathematicians labeled it as i which is the imaginary number, and any number that includes purely i is also imaginary. Complex numbers are a mix of both real and imaginary numbers. for example 3 is real, 5i is imaginary and 3+5i is complex. Hopefully this answers what you meant.


What year did imaginary numbers?

Imaginary numbers have a strange history. Heron of Alexandria (first Century AD) is thought to have conceived of these numbers but did not develop the idea. Others mathematicians, notably Gerolamo Cardano, came across them but it was Rafael Bombelli who first set down thye rules for manipulating them in 1572.


Why are imaginary numbers used in electronic systems control systems and physics?

Mathematics is beautiful in itself. Back in the 1700s and later, mathematicians studied "imaginary" numbers (numbers that involve a factor of the square root of -1) knowing that they didn't describe anything "real", the way "real numbers" do. But when beauty can be melded to practicality, things get REALLY interesting. It turns out that you can use imaginary numbers and "complex numbers" (which have a "real" component and an "imaginary" component) to describe the way radiation and electromagnetic fields behave.


How did prime numbers originate?

Prime factors were discovered by mathematicians in Greece, Egypt, and other Mediterranean countries several thousand years ago.


Are imaginary numbers irrational numbers?

No. Irrational numbers are real numbers, therefore it is not imaginary.