Download the appropriate Quadratic Regression Function for your version of Calc (see the Software for Download section) and use the save this file to disk option to save the file to a directory on your computer where you'll be able to find it later
Start OpenOffice.org Calc, and open tt03-001.ods from the directory that you downloaded it to
Open the OpenOffice.org Basic Macro Organiser using Tools > Macros > Organise Macros > OpenOffice.org Basic... and click on the Organizer... button
Expand tt03-001.ods and select the QuadRegression macro from the Tarsiersoft Module,
and drag it to the Standard Module
Close the Organiser dialog box and the Basic Macros dialog box
When you close the spreadsheet tt03-001.ods you will be asked if you want to save your changes. If you click Save the spreadsheet will be saved with the macro removed. If you Discard the charges the spreadsheet will continue to contain the macro.
My Quadratic Regression Function is now ready for use.
How to Un-install
To un-install the Quadratic Regression Function,
Open the OpenOffice.org Basic Macro Organiser using Tools > Macros > Organise Macros > OpenOffice.org Basic...
Expand My Macros and select the QuadRegression macro from the Standard Module