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Simon-- Thanks for the answer to my question. I was hoping that Excel had that capability. I'll give it a try. On Sun, Jan 22, 2017 at 12:08 PM, illustratingshad...@gmail.com < illustratingshad...@gmail.com> wrote: > Yes, please download. > > illustratingshadows.xls > > from Illustrating

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Yes, please download. illustratingshadows.xls from Illustrating Shadows and look at some of the subsheets. Use the insert chart feature in excel. Look at my h-dial-analemma worksheet which uses Cartesian coordinates creating the familiar figure of 8. Warning... aspect ratio is not preserved,

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I mean, just using Excel, without using VBA. Michael Ossipoff On Sun, Jan 22, 2017 at 11:45 AM, Michael Ossipoff wrote: > 1. I don't understand how a spreadsheet's rectangularly-arranged table of > values is a problem for designing circular things. The values calculated

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1. I don't understand how a spreadsheet's rectangularly-arranged table of values is a problem for designing circular things. The values calculated and saved in that table can represent polar co-ordinates as well as anything else. 2. But here is *my* question that motivates this reply: Is it