3 dimensional number system? real numbers are expressed on a number line. real numbers are 1 dimensional. complex number are expressed on a complex plane, consisting of 2 axes. they are 2 dimensional. then what are the number systems for 3D and 4D? this video deals with 3 dimensional and 4 dimensional number systems. Hamilton, creator of quaternions, is introduced. why he invented and how he invented are also shown. (made with vrew) #realnumbers #complexnumbers #dimensions