I think it's also worth mentioning that there are a number of perl modules that will perform decimal arithmetic and give you the results that you expect.
The ones that I know of are Math::BigFloat (which you already have), Math::Decimal, Math::Decimal64, and Math::Decimal128.

Cheers,
Rob

In reply to Re: Decimal numbers calculations done inconsistently: Odd behavior! by syphilis
in thread Decimal numbers calculations done inconsistently: Odd behavior! by ferdi

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