So, you need a new calculator or handheld device, but which is the right one?  For a guide to which are most suitable for each stage of education, see the table below.     
   
To find out which calculators and handhelds are allowed in your exams, talk to your teacher or your awarding body/exam board. 

Primary	11-16	16-19	Further/Higher Education
TI-106	TI-Nspire TI-84 Plus Silver Edition TI-84 Plus TI-83 Plus TI-82 STATS	TI-Nspire TI-Nspire CAS TI-84 Plus Silver Edition TI-84 Plus TI-83 Plus	TI-Nspire TI-Nspire CAS TI-84 Plus Silver Edition TI-84 Plus TI-83 Plus TI-89 Titanium Voyage™ 200 BA II Plus™