Insert an equation in a CSV cell

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Is it possible to write a literal equation to a csv file.
Something like =D2/E2*100 so that Excel calculates and displays the result?

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Yes of course you can
[PHP]$equation = '=D'.$row.'/E'.$row.'*100';[/PHP] or variations thereof.
Thanks for looking.

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Yes of course you can
[PHP]$equation = '=D'.$row.'/E'.$row.'*100';[/PHP] or variations thereof.
Thanks for looking.

You're welcome.
Post back anytime you require my assistance again!

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Ok, what about this one, inserting a function in a CSV cell
[PHP]$equation = '=ROUND(('.chr( $column+$key).$ row.'-D'.$row.')/'.
chr($column+$ke y).$row.'*100'. ",".'1)'[/PHP] The comma in the Excel ROUND function is stripped out.
I would not have been suprised to see the '1' pushed to the adjacent cell,
but it simply disapears.
So I end up with

=ROUND((G2-D2)/G2*1001)

Any idea how to keep the comma there?