Hi,
Take a look he
http://digilander.libero.it/foxes/index.htm
This XP add-in claims to be able to give precision up to 250 significant digits. I think you can still find older versions of the
add-in for earlier Excel versions.
Cheers
--
macropod
[MVP - Microsoft Word]
"ACRhyne" wrote in message ...
| I would like to do calculations in my spread sheet with 30 digits precision.
| I figure this is possible because the number display allows 30 digits. I went
| through the help function, and selecting the Precision as Displayed option
| under the Tools, Options, Calculation tab make no difference. Excel still
| rounds off at 12 digits. How do I get higher precision calculations?