Each unit description should say, in the Assessment section, whether or not calculators are allowed. If in doubt, ask the unit organiser. The Reason for the Rules Sophisticated calculators are available at a range of prices. Students who can afford elaborate calculators may have an unfair advantage if they are allowed to use them in examinations. We discussed this issue with student representatives, and the result was a decision to allow only simple calculators in exams.
Students are, of course, free to use any equipment they like for their work during the year.