MR. EDWARDS has put together in a handy form for schoolboys the elementary parts of his large treatise on the Differential Calculus. The subject is here presented in a clear and interesting manner for ...

Check your understanding of differential calculus and practise finding the greatest/least value(s) a function can take using optimisation. Create an expression for and use optimisation to find the ...

A satellite is dropping back to Earth. The distance it has fallen, \(D\) metres, since first spotted is given by \(D(t) = 100t + 5{t^2}\), where \(t\) is the length of time in seconds since first ...