EASIEST WAY TO SQUARE RECENT PRICE ACTION FOR GANN TOOLS

Take a recent significant high or low price.

Then find a square root calculator and receive the square root.

Then square that number again.

Finally, go to settings - scale - and select "lock to scale" to insert the final number.

For this case, it came to 8.13, and so the chart has been locked in with that scale and set to the 4-hour.