Question : How do I sum a range of data containing Excel errors?

I have a column of data in Excel, some cells in the range contain #N/A errors.  Despite this, I want to sum that whole range at the bottom of the column.  I need some kind of conditional formula that can sum that data while excluding or ignoring those cells that contain errors.  I tried an array formula using IF and SUM but I'm stumped.

Answer : How do I sum a range of data containing Excel errors?

The array formula below sums numbers and numbers stored as text in a row or column of cells while ignoring errors, text, and boolean values.

   =SUM(IF(ISERROR(VALUE(A1:A100)),0,A1:A100*1))

To enter an array formula, press CTRL+SHIFT+ENTER.

Kevin