On May 5, 10:30*am, Gary''s Student
wrote:
=AND((A1<B1),(B1<C1))

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Gary''s Student - gsnu200784

Thanks, but still getting invalid results. The B1 value is actually a
sum of links to two other data pages: =RTD("XX.RTD", "",
A9,"sell","price") + =RTD(...). Could this be the problem?