"Mike Williams" <mik### [at] nospamplease> wrote :
>
> Do you mean something like this?
>

    Yes, very much like that. And I must say that you beat me to it by about
30 years, but I was working on it. As a progress report, so far I had looked
over the math courses available by telepresence at our local community
college.

    My goal was to make it a macro that would take four data points and draw
a line between the middle two like a cubic_spline. Then you could call the
macro as you read off groups of four data points from a larger array.

    I anticipate that with the help of your function, it will take me about
15 years, you are welcome to beat me to it again... 8-)

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