# Summary of all upper and lower boundary calculations

## Adding `A+B`

Upper boundary `=` Maximum boundary for each

Lower boundary `=` Minimum boundary for each

## Subtracting `A-B`

Upper boundary `=` Biggest difference between the two

Lower boundary `=` Smallest difference between the two

## Multiplying `AtimesB`

Use the same as adding

## Dividing `AdivB`

Use the same as subtracting