MikeArmstrong

"Have I caught the wrong end of the stick here? Oops!!! I thought the ideas section had been opened up to everyone.   Mike"

"How about an option in your personnel settings so that you can set your reply editor to advanced all the time.   Mike"

"Seems that PTC has had a change of heart and let everyone joint in.   Mike"

"Cheers Joe. I wasn't looking for a solution I was nearly asking for a worksheet to be provided.   Cheers anyway.   Mike"

"Great news Mona, why the change of heart?   Mike"

"You have not defined the letter C using a global definition in your worksheet.   Mike"

"Ya, I had noticed the unit thing when I was messing around with it.  I was more curious about the error from the "undefined variable" though"

"I fully agree Harvey. I see no reason why we have to continuously select the 'Use advanced editor' link. It hasn't always been the case thou"

"Copied from the help menu.   Mathcad treats units as undefined variable names in symbolic calculations. It does not combine units of the sa"

"Because the symbolic processor doesn't understand units.   Mike"

"Just to confirm Rachel that the issues seem to be resolved   The community looks fab   Mike"

"I have asked this before and it's because the rest of the forum don't really need the option or very rarely to upload a worksheet.   Mike"

"Something like the attached?   Mike"