Select All Copy Cut Paste Undo the last edit Redo the last edit Go to start Go to end Toggle full screen
The Property Editor offers an easy and convenient way to edit the properties of a turtle or a panel.
Property Editor
General
Name:
Tool tip:
Heading:
Position:
Run on click:
Scale:
Size:
Crawl speed:
Step size:
Velocity:
Wrap Mode:
Button
Text:
Check Box
Text:
State:
Radio Button
Text:
State:
Static Text Box
Text:
Auto-scroll:
Editable Text Box
Text:
Placeholder:
Character limit:
List Box
Items:
Current index:
Popup List Box
Items:
Current index:
Slider
Minimum:
Maximum:
Increment value:
Current value:
Web camera
Camera:
Video camera
Link:
Turtle
Pen color:
Pen state:
Pen width:
Font:
Graphics Panel
Display state:
Background color:
Background pattern:
Turtle wrap mode:

Save File

Use +S to save the current panel.

Select a View

Use the names in parentheses to set the :LAYOUT variable, or as a Logo command.

Load Picture

Select where the loaded image should go. You can load a picture as a background image or into the drawing canvas, where you can use drawing commands to change the picture.

Save Picture

Select the parts of the picture that you would like to save as an image. You can either save the background, the drawing, or a combined picture of both the background and the drawing.

Print Picture

Please select the parts of the picture that you would like to print:

Welcome to Terrapin Logo!

Log in:
Low vision? Please use logo6.terrapinlogo.com/a11y
Would you like to try Terrapin Logo before you buy?
Visit the Terrapin web site to order a free 14-day trial license!

Login with Login Code

Classroom Login

Log Out

Would you like to keep your Logo environment?

Settings

All settings are part of the PREFS property list. To view the PREFS property list, enter the command PLIST "PREFS. Hover your mouse, or click and hold over a setting to view the corresponding Logo command.

Picture format:
The Shape Editor lets you use drawing tools to create a new turtle shape, or to alter an existing turtle shape. Please note that you will need to use the SAVESHAPE command to save any altered shape to disk after having set the turtle shape.
Shape Editor
Right-click a dot to grab its color.
Use the Find/Replace panel to find and/or replace text in the Editor panel.

Thank you for trying Terrapin Logo!

We hope you enjoyed exploring Logo's many features. Your 14-day trial login code has now expired.

Please visit the Terrapin web site to license Terrapin Logo for further use.

Thank you for licensing Terrapin Logo!

We hope you have enjoyed learning with Logo during your license period. Your login code has now expired.

Please visit Terrapin's Terrapin Logo License Renewal page to renew your login code at half price.

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Thank you for licensing Terrapin Logo!

We hope you have enjoyed learning with Logo during your license period. Your login code has now expired.

Please visit Terrapin's Terrapin Logo License Renewal page to renew your login code at half price.

Your login code has been revoked!

Please contact us for more information.
Invalid Login Code Invalid Classroom Name Invalid Password

Log Out

Are you sure that you want to exit Terrapin Logo?

"%1" contains some of the characters {}[]()|&~!^=.: Your changes have been recorded. We could not record your changes! Reason:
If you load the current turtle shape, your drawing will be erased.
Are you sure?

Are you sure that you want erase everything and start over?

Warning!

You are about to erase the content of your Editor panel. Do you want to continue?

Warning!

You are about to overwrite the content of your Editor panel with new text. Do you want to continue?

Please define a procedure ABOUT that either prints or uses the ALERT command to display an alert box to display information about your Logo program. Logo cannot display a required popup window. Please open the Settings page (Preferences on the Mac), click "Advanced", click "Privacy and Security", "Site Settings". Click "Pop-ups and redirects", and add %1 to the list of approved domains. Logo cannot display a required popup window. Please open the Settings page (Preferences on the Mac), select "Privacy and Security", and scroll down to "Permissions". Click the "Exceptions" button for the "Block pop-up windows" setting, and add https://%1 to the list of approved domains. Logo cannot display a required popup window. Please open the Preferences panel, select Web Sites, select Pop-Up Windows, and add %1 to the list of approved domains. Logo cannot display a required popup window. Please open the browser preferences page, locate the entry where you can configure the use of popup windows, and add %1 to the list of approved domains.

Cannot Contact Terrapin Servers

Logo cannot contact the Terrapin servers to verify your login code. Logo will continue to run using the login code that you last used. Please make sure that your Internet connection is fully functional.

Logo cannot contact the Terrapin servers to verify your login code. Please make sure that your Internet connection is fully functional, then restart Terrapin Logo.

The Toolbox offers several different images, controls and colors that you can drag and drop into the Graphics panel or on top of a turtle. Dropping something from this panel into the Listener or the editor drops its file path, which you can use as input to any file I/O command that requires a path name.
Toolbox
Welcome to Terrapin Logo! Your license expires in %1 days. Your license expires tomorrow! Your license expires today! The image will appear in a new tab. You can select its storage location when you click/tap and hold the image. Close the new tab after saving the image.
Your browser does not support Bluetooth connectivity. Without this feature, Logo cannot talk to Bluetooth devices. Please use a browser that supports Bluetooth connectivity, such as the Chrome browser, or Edge on Windows. See this page for a complete list of compatible browsers.
Browsers for Apple handheld devices do not support Bluetooth connectivity. Without this feature, Logo cannot talk to Bluetooth devices.
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About Terrapin Logo

Licensed to

Terrapin Logo is our latest iteration of the Logo programming language. Thanks to the latest technology, Terrapin Logo is a full-featured programming environment with hundreds of Logo commands and up to a thousand turtles.

You have licensed Terrapin Logo to run on up to computers. It expires on . Currently, your license has been used on computer(s) according to their Internet address.

Your classroom name is .

Terrapin Logo V

Terrapin Logo was written by Michael Daumling. Special thanks goes to our tireless and relentless testers Dorothy Fitch, Bill Glass, Phil Lewis, Stan Munson, and Jim Towner. Without their help, Terrapin Logo would not exist today.

Select a voice for the SAY command
Keystroke Commands