What maple command returns the condition number of a matrix?

Is there a way to change the font on the help pages?               

Can a plot be output to a pixel array?                                                  

So linalg had iszero function, but the newer LinearAlgebra does not? I find it in ArrayTools. Have they split the old linear algebra package into two?

What is the result of this system command:


This is a bit long. What is the explanation here?