Tarsier Tools
Quadratic Regression Function
How to Install
  1. Download the appropriate Quadratic Regression Function for your version of Windows® and Excel (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. (A good location to save the file is to your Microsoft Excel Add-In directory, which can be found by completing steps 2 and 3.)
  2. Start Microsoft Excel and from the Tools menu, select Add-Ins...
  3. Click on the Browse... button, which will list all the non Microsoft Excel Add-Ins,
  4. A. If you saved the file to your Microsoft Excel Add-In directory, select TT03-001.xla from the list of files and click the OK button
    B. If you saved the file to another directory, change to that directory in the same way that you would use the Open file dialog to open a file; then select TT03-001.xla from the list of files and click the OK button
  5. Ensure that the box for the "Quadratic Regression" is ticked/checked, as shown below and click OK
    AddIn Dialog

My Quadratic Regression Function is now ready for use.

How to Un-install To un-install the Quadratic Regression Function,

  1. Start Microsoft Excel and from the Tools menu select Add-Ins...
  2. Un-tick/un-check the box for the "Quadratic Regression Function" and click OK

If you decide that you want to use the Quadratic Regression Function again just perform steps 2 and 5 from the How to Install Procedure

If you want to remove the Quadratic Regression Function reference from the list of Add-Ins,

  1. Delete the file TT03-001.xla from your computer
  2. Start Microsoft Excel and from the Tools menu select Add-Ins...
  3. Try to tick/check the box for the "Quadratic Regression Function" and the following message will appear, "Cannot find add in 'directory path\TT03-001.xla'. Delete from list?". Click Yes
  4. Close the Add-In dialog box by clicking OK

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