The basic + or - calculations will function in any field with 2020 Fusion that relates to dimensions or angles.
1. Click the desired field twice to ensure the value is deselected as per the image.
If the value is still actively selected as in the bottom image, then typing will replace the incumbent value.
2. Enter the Symbol +/- and the value you wish to alter the existing value by.
Click on Tab to commit the calculation and the field will display the sum of your equation.
How to Use the Calculator Function in the Mover Tool, Item Dimensions and Navigate Palette in 2020 Fusion
