>Hi Viv
>
>That's fine.
>
>I've just drag droped the initial equation. So I did'nt touch the brackets.
>
>Thats why I'm faster then you.

But after a few billion iterations I would have caught up :-}

>
>(^.^)
>
>Agnes
>
>>I like mine better - you wasted some brackets :-}
>>>How about
>>>

>>>nValue = 150-((nFinalValue-1)/2.71)
>>>

>>>
>>>Agnes
>>>>

>>>>LOCAL nFinalValue,;
>>>>nvalue
>>>>
>>>>nValue = 10
>>>>
>>>>
>>>>  m.nFinalValue = 1 + (( 150 - m.nValue ) * 2.71 )  &&& gives 380.4
>>>>
>>>>*-- Now i must Find nvalue 
>>>>nValue = ? ( to find 10 )
>>>>
>>>>

>>>>
>>>>Thank in advance
>>>>
>>>>
>>>>bernhart