>Since my name has been invoked...I pointed it out because of the extra overhead that the module would incur. If a routine, especially one involving a large number of iterations, repeatly referenced the value,it could improve performance.< s >

Really? It's a pre-processor directive. The actual value should just get compiled into the program, and no look-up should be involved. Thanks, George, I was hoping to spend my morning doing something productive, but now I have some benchmarking to do. :-)