I have the Analysis ToolPak installed and this WAS working before.

In cell B6 I have =WORKDAY(B4,G7)
In cell B4 I have 11/09/2005
In cell G7 I have 105

B6's result is #NAME?

What gives?
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I reject your reality and substitute my own.

Promote hydrogen - one of the best "clean" fuels there are!