# equations (filter)

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Are anybody use this the equations often (well?)

i´m this learning by try/error-typ, but here i could need some help.

At least some equations-lines you use and i will paste into this filter and combine by what i want.

I just only know: multiply by a factor < 1 will "divide" and divison with zero is forbidden, but thats all.

So all i know is that variable A/B/C CAN BE the "multiplactor" of the real equation itself...

However, you see, i could need some help;-)

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18 hours ago, Polygonius said:

I just only know: multiply by a factor < 1 will "divide" and divison with zero is forbidden, but thats all.

So all i know is that variable A/B/C CAN BE the "multiplactor" of the real equation itself..

@Polygonius, You seemed to have also seen my tutorial using equations.

You can multiply by a factor less than one without problems. The result just becomes less than it was before. It is not division. If you divide a value by another that is less than one, the result is greater than before. Thus:

10*0.5=5

10/0.5=20

The expression A/B/C is equivalent to A/(B×C), but I often find the former more easy to write.

John

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Hi john, thx, yeah factically multiply with less 1 is not division, but if "feels".

I took a look at a math-side for scholars and learned again the point for stripe and bracket rules   EG multiply by factor 16 with this "rule" (*a*16) dos not work the first * must be outside the bracket  *(a*16)  -LOL;-) With this refreshed base-knowledge and your (and the other guys) excellent work i feel able for learning by try&error.

BTW: Its a nice beast:-) But where can i save my equations/conditions, the filter does not have a preset-option???? And a macro for just an equation is a little bit overkill for just that. So far i use an invisible "text" for copy/paste - but thats not really comfortable).

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2 hours ago, Polygonius said:

But where can i save my equations/conditions, the filter does not have a preset-option???? And a macro for just an equation is a little bit overkill for just that. So far i use an invisible "text" for copy/paste - but thats not really comfortable).

@Polygonius, for a complex equation, a macro is probably the best solution. When I am trying out equations, I do as you suggest. I have a text file, an I cut and paste various versions from there.

John

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