which non graphich calculator

klemenkov

hi
i need a help by buying calculator
i need a powerfull scientific calculator graphic calculator hp or ti would be fine but somehowe it is not allowed but also not prohibited it depends who you get on the exam profesor or asistant
if someone know which calculator wolud be good for me (one with smaller display would also be fine ) which could calculate raw numbers

thank for sugestions
othervise i will buy grph calc and take a chance