2008/8/30 Joe Smith <[EMAIL PROTECTED]>:
> Use variables instead of fields, they will update automatically.
>
> E.g. Insert > Fields > Other > Variables > Set variable
> Name: SPEED
> Value: 2000
> <Insert>
> Name: DISTANCE_FROM_AXIS
> Value: (200*10^3)/(2*PI*SPEED)
> <Insert>
Thanks. I decided that was a bit too similar to work, and that F9
would be easier for me to remember as recall later. Thanks, though, I
am sure that I will one day need that.
>> ...
>> But then I use the result 15.9155 later in the paper to see how much
>> distance the tool had traveled over the surface of the metal:
>>
>> PASSES={30-DISTANCE_FROM_AXIS}/0.3
>> sum from{n=0} to{PASSES} {2 cdot %pi cdot (DISTANCE_FROM_AXIS + 0.3 cdot
>> n)}
>> ...
>> If I could use variables in the Equation Editor I would save about an
>> hours work each time the revs change. And as we experiment with
>> different lube formulas, the revs change often.
>
> There is no way to pass information into or out of OOo's formula editor.
>
> I know I've seen people ask about doing it, so there is certainly some
> interest, but I can't find any feature request in Issuezilla for it.
I will open a detailed issue when I have the time.
> But even if you get around the live formula values problem, neither Writer,
> nor even Calc, will make your last calculation: you need a loop for a sum
> like that.
>
> MathCAD is the only tool I know of for doing what you describe.
>
Thanks. I will look into that.
--
Dotan Cohen
http://what-is-what.com
http://gibberish.co.il
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