Why doesn't this work? I use Windows, TeX Live 2012 and pdfLaTeX





  • Even though the result is a length unit, I believe that calc does not allow multiplication of lengths. In other words: it does not work because it is not featured. – yo' Aug 20 '12 at 14:40
  • @tohecz thanks how can i solve? i want to put this code into a .sty file package – Aurelius Aug 20 '12 at 14:42
  • 4
    @FormlessCloud You have to write a proper dimension expression, which this is not. For example, 336pt*675pt would be an area, not a length. – Joseph Wright Aug 20 '12 at 14:42
  • As well, I'm not sure if you really wish to call the length \perclengHT with the typo (it should be lengTH). – yo' Aug 20 '12 at 14:44
  • 2
    @tohecz It's not a dimension expression as defined by the e-TeX manual, which is what is important here. There are many things which would give a dimension 'at the end' which will fail to parse correctly. For example \dimexpr 10*5 pt\relax is invalid but \dimexpr 5pt*10\relax is valid, as the dimension has to 'come first'. – Joseph Wright Aug 20 '12 at 14:47


this is the answer, is right?


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