Run calculations directly from Microsoft Excel
The Excel interface takes inputs from spreadsheets and returns the
results to the same spreadsheet allowing the user to integrate with
other calculations or use customized formulas and graphics. It is
convenient to engineers and designers that normally use Excel for
The interface requires an Add-In to perform the
calculations. After processing the data, the spreadsheet can be saved as XLS or XLSX, opened and edited in other computer, with or without the
I opened a previously saved spreadsheet
and hit the calculate button and now I am seeing many errors?
First check the reference/target cell. It should
be the top left in the data range. If the cell is correct, try
downloading a new template in a blank sheet and re-enter the data. If
the model was updated to a newer version, old templates might stop
working because the structure changes.
My company uses an older version of Excel
Desktop or has blocked the installation of add-ins
In this case try using the online Excel version. It should work from
there. After performing the calculations you can download the
spreadsheet and use from your desktop computer.