How can I add a new formula to Excel formula list
 

I need add a new formula developed by myself to the available list of Excel
formula. My Excell version is 2003

I'm assuming you mean 'Function'.

If your User Defined Function is in a currently open workbook OR in your
'Personal.xls' workbook OR in an add-in you've created, you will be able to
use it by selecting...
Insert / Function
Highlight either 'ALL' or 'User Defined' in the "Function Category" window
Scroll down until you see your UDF in the "Function Name" window.
Highlight the UDF and select 'OK'

HTH,
--
Gary Brown

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"Darafsh" wrote:

I need add a new formula developed by myself to the available list of Excel
formula. My Excell version is 2003