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

 

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