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Contents Tool Factory IT System Parameters
Grade: K-12
Required products: Tool Factory Logo
Parameters can be given to procedures which are defined each time the procedure is run. For example, by making the parameters for a procedure the number of sides the shape has can be changed.

Step 1 - On the Menu bar click Tool Factory Logo>Procedures to open the Procedures panel.

Step 2 - Click the New button.

Step 3 - Name the procedure 'polygon' and enter the word 'sides' into the parameter box.

Step 4 - Click Edit to open the Procedure Editing window.

Step 5 - Write the following procedure in the Procedure Editing window:

1. Repeat sides
2. Forward 20
3. Right 360/sides
4. End

Step 6 - Click Run the Procedure and enter the number of sides you want the polygon to have when the parameter window opens.

Your parameters are now set. Once you master how to use parameters many different logo creation options become open to you.
Downloadable Worksheets
  • Print Instructions on Parameter (DOC)
  • Print Instructions on Parameter (PDF)
    Mac users: To download, ctrl-click on the worksheet and choose "save link to disk"
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