ScreenMath.com :: HDTV Plasma and LCD Screen Size Guide - 0 views
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Jonathon Richter on 14 Feb 10ScreenMath: calculate the changes in aspect ratio from old t.v. standards to HDTV standards. For example: a 42" T.V old-school needs a 51" HDTV to fit the same size picture - because of the "Square - to - Rectangle" change in format.