Selection Mode
See how you can instantly check your selections for errors. Simply select any mathematical expression and let pheebo verify it for you.
Installation Guide & Demo Videos
Follow our step-by-step guide to install pheebo and start verifying mathematical expressions with high accuracy. No account required — it's completely free. Watch our demo videos to see pheebo in action.
Installation Steps
1
Download pheebo
Click the download button below to get the pheebo extension for your browser.
2
No Account Needed
pheebo is completely free — no account or payment required. Just install the extension and you're ready to go.
3
Start Verifying Math
You're all set! Now you can use pheebo in two ways:
- Selection Mode: Click & drag to select any mathematical expression and let pheebo verify it for you.
- Automatic Mode: pheebo automatically detects and flags errors as you work, guarding your back against AI-generated mistakes.
See pheebo in Action
Watch our demo videos to understand how pheebo works.
Automatic Mode
Watch pheebo automatically detect and flag mathematical errors in real-time as you work. No manual selection required.
Help Us Improve pheebo
We are continuously working to improve pheebo and make it more accurate and useful for everyone. Your feedback is invaluable to us!
If you encounter any errors, bugs, or have suggestions for improvement, please don't hesitate to reach out. Send us screenshots of any issues you find, and help us make pheebo better for the entire community.
Example of a bug