Complex number - Information from Answers.com
A complex number is a number which can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit, where i2 = −1. In this ...
www.answers.com/topic/complex-n...

Is every complex number a real number
A complex number z has two parts - a real part and an imaginary part - and is ... If x = 0, the resulting complex number z is of the form "iy" and is totally imaginary; ...
wiki.answers.com/Q/Is_every_com...

Is every real number a complex number
A complex number is a number of the form a + bi, where a and b are real numbers and ... Do not confuse the complex numbers with the pure imaginary numbers.
wiki.answers.com/Q/Is_every_rea...

What is a non real complex number
Complex numbers are written in the form (a+bi) A real number does not have any reference to i in it. A non real complex number is going to be a complex ...
wiki.answers.com/Q/What_is_a_no...

The sum of two complex numbers is always a complex number
Since b can be equal to 0, you see that the real numbers are a subset of the complex numbers. Similarly, since a can be zero, the imaginary numbers are a ...
wiki.answers.com/Q/The_sum_of_t...

Can a complex number be a pure imaginary number
A complex number can be a pure imaginary, or a pure real number, or a combination of the two. The form for a complex number is a + bi, where a & b can be any ...
wiki.answers.com/Q/Can_a_comple...

Learn about Complex Numbers - part 1 video from Answers.com ...
Khan Academy Presents: Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.
video.answers.com/learn-about-c...

What is a complex number
A complex number is any number that can be represented as the sum of some number on the real number line and some number on the imaginary number line, ...
wiki.answers.com/Q/What_is_a_co...

Complex Numbers Questions including "How do you enter an ...
Complex Numbers Questions including "How do you enter an imaginary number in a scientific calculator" and "How can one understand the nature of the ...
wiki.answers.com/Q/FAQ/8590

Learn about Complex Numbers - part 2 video from Answers.com ...
Khan Academy Presents: Dividing complex numbers. Complex conjugates.
video.answers.com/learn-about-c...