A real number is a complex number of the form a + bi s.t. b = 0. That is, i, the square root of -1, is not a part of any real number.
Polynomials roots that appear at y = 0 on a graph are real numbers. Most numbers you use everyday are real.
by 1338 h4x0r April 2, 2008
Get the real numbermug. by Chris M. April 5, 2004
Get the real numbermug.