Color print      1280 X 960 GIF      Grayscale print

 Tutorial back     Values table     Symbol key     Tutorial next

At each point in the abstract space, a quantity is now represented
with both the numerical value portion and the units of measure
portion visible, both are expressed as a power of ten, calculation
of both is visibly obvious as being performed by the addition of
exponents, and it is easier to accomplish the purpose of any map:

             to look at the problem is to solve it.