Calculating with bounds
Pages
Maximum error and percentage error
The greatest possible error as a percentage of the measurement.
Bounds in addition and subtraction
Why the greatest difference pairs an upper bound with a lower bound.
Bounds in multiplication and division
Why the largest quotient divides upper by lower, and the smallest reverses it.
Bounds in compound measures
The bound each quantity takes in a speed, density or pressure calculation.
Bounds in area, volume and Pythagoras
Pushing upper and lower bounds through a geometric formula to bound the result.
Deciding from the worst case
Whether something definitely fits, tested on the least favourable bounds.
A suitable degree of accuracy from bounds
Quoting an answer only to the accuracy where its bounds still agree.