# History of imaginary numbers

The reality of imaginary numbers a few years back i was tutoring a psych student in some pre-req math needed for a stats class we were talking about number systems when i mentioned the imaginary . Today complex numbers have such widespread practical use--from electrical engineering to aeronautics--that few people would expect the story behind their derivation to be filled with adventure and enigma in an imaginary tale, paul nahin tells the 2000-year-old history of one of mathematics' most . Imaginary number definition is - a complex number (such as 2 + 3i) in which the coefficient of the imaginary unit is not zero —called also imaginary a complex number (such as 2 + 3i) in which the coefficient of the imaginary unit is not zero —called also imaginary.

An imaginary number bi can be added to a real number a to form a complex number of the form a + bi, where the real numbers a and b are called, respectively, the real part and the imaginary part of the complex number. An imaginary number is a number that, when squared, has a negative result essentially, an imaginary number is the square root of a negative number and does not have a tangible value while it is . Imaginary-numbers.

History of imaginary numbers i is an imaginary number, it is also the only imaginary number but it wasn’t just created it took a long time to convince . See also the wikipedia article: imaginary number the set of imaginary numbers is similar to, but separate from, the real numbers they can be visualized as occurring along a continuum called the imaginary number line, just as the real numbers constitute the real number line. Story behind imaginary numbers hey guys, i am looking for a book that talks about the history of imaginary numbers and how people came to need it. Intro to the imaginary numbers simplifying roots of negative numbers up next economics, physics, chemistry, biology, medicine, finance, history, and more khan .

The history of imaginary numbers the origin of imaginary numbers dates back to the ancient greeks although, at one time they believed that all numbers were rational numbers. These new numbers, for better or worse, were called imaginary numbers, and the old positive and negative numbers (and zero) were called real numbers still further, letting a and b be positive or negative real numbers, we can construct infinitely many numbers of the form a+ib. The history of imaginary numbers wilfredo salazar gerolamo cardano in his exposition in 1545,acknowledged the existence of what are now called imaginary numbers . Remarks on the history of complex numbers the study of numbers comes usually in succession on bombelli and imaginary numbers, in circles disturbed, a doxiadis . History of complex numbers (also known as history of imaginary numbers or the history of i) i is as amazing number it is the only imaginary number.

## History of imaginary numbers

Top 5 facts about imaginary math the square root of a negative real number is purely imaginary, but the square root of a purely imaginary number has to have both real and imaginary parts here . More information and resources: imaginary numbers are not some wild invention, they are the deep and natural result of extending our. An example of how gauss revolutionized number theory can be seen in his work with complex numbers (combinations of real and imaginary numbers) representation of complex numbers gauss gave the first clear exposition of complex numbers and of the investigation of functions of complex variables in the early 19th century.

- A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x 2 = −1because no real number satisfies this equation, i is called an imaginary number.
- History of imaginary numbers during the early days of human mathematical history, when someone reached a point in a equation that contained the square root of a negative number, they froze one of the first recorded instances of this was in 50 ad, when heron of alexandria was examining the volume of a truncated pyramid.

An imaginary number is a number that can be written as a real number multiplied by the imaginary unit , which is defined by its property [1] an imaginary number has a negative or zero square for example, is an imaginary number and its square is . Numbers are really two dimensional and just like the integer “1” is the unit distance on the axis of the “real” numbers, “i” is the unit distance on the axis of the “imaginary . History of imaginary numbers date: 03/09/2001 at 13:57:56 from: laurie raley subject: who invented imaginary numbers hello, i am a high school student chicago, il, and my class just started studying imaginary numbers.