Casio ClassPad II FX-CP400Graphing calculator, Battery operated, USB connector, Display light, Programmable, Colour screen, CAS (Computer Algebra System)£13.39
Texas Instruments TI College PlusGraphing calculator, Battery operated, Solar cell, Display light, Clock, Calendar£11.99
Casio MS-100TER IICalculator, Battery operated, Solar cell, Display light, Economic functions, Currency Converter£19.49