Octave Online is the free GNU Octave editor and prompt in your browser. Octave Online is powered by the open-source GNU Octave project, whose syntax is mostly compatible with MATLAB.
The currently selected file can't be edited online. You can still use the toolbar above to rename and delete the file.
When you sign in via Google, you can upload and run Octave files using the interactive editor. Your files will be saved between sessions.
Create an empty file by pressing the button.
Upload files by dragging them from your computer onto the list to the left.
Click a file to open and edit it.
When a file is open, press Cmd/Ctrl + R or Alt + R to run it.