Has technology revolutionised the mathematics classroom, or is it still a device waiting to be exploited for the benefit of the learner? There are applets that will enable the user to solve complex equations at the push of a button. So, does this jeopardise other methods, make other methods redundant, or even diminish other methods in the mind of those who have been using them for maybe a lifetime? Graphing calculators are far from being "new technology", but has their impact on learning reflected the mathematical power they offer the user? There are now many digital tools available, when are they best suited to classroom use? Here there are questions to ask about whether a digital tool will be applicable, and then suggestions as to the particular digital tool that might be appropriate. (Contains 7 figures.)