Will James wrote in post #999789:
>the above seems to require win32ole, for which,
> if I'm not mistaken, you need office to be installed on the system.

I'm intrigued - how are you running Excel to get it to calculate
formulae if it's not on your computer?

As it happens, I don't think win32ole has got anything to do with Office
anyway. It's to do with OLE, which is a Windows feature. Excel happens
to present an OLE object model.

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