New for the 2012 Back to School season, the Sharp EL531XBWH Scientific calculator includes 272 functions which makes it one of the leading models in its class. The twinline LCD screen gives a 5 x 7 dot matrix display. This means that text is easier to read as well as appearing clearer. Sharp have designed this product with a contemporary black design with a white trim. The Sharp EL531XBWH scientific calculator features Sharp's renowned Advanced DAL (Direct Algebraic Logic) technology, which makes it easy to key-in algebraic equations. It includes functions which are suitable for Key Stage ¾ , A and AS level, making the EL531XBWH the ideal long term investment for students of any level.