pie3d
Threedimensional pie plot.
pie3d(x)
pie3d(x,explode,legends)
Inputs 
x 
A vector of real numbers. 
explode 
A vector of ones and zeros. 
legends 
An array of strings, each corresponding to a column of of x .

Description
The function displays a threedimensional
pie
chart of the input array,
representing each of its element as a sector of a thin cylinder. The
elements of the third input, if specified, are used to label the
sectors. If any of the elements of explode
is nonzero,
the corresponding sector is offset from the center. The optional
inputs can be specified in any order.
Example
>>a=[214.8,58.2,17.6,15,4.2]
>>pie3d(a,[1,0,1,0],{"USA","UK","Canada","Autralia","Ireland"});
>>title({"Countries with Highest Population"," of Native English Speakers"})