This Casio FX-115MS Scientific calculator is an advanced calculator, complete with 2 line display so that the sum and the result can be displayed at the same time. Complete with 300 functions and can be used for integration and differential calculations. This Silver calculator comes with a snap on hard case. Recommended for GCSE & A/AS Level exams in England and Wales and Standard & Higher Grade exams in Scotland. Complete with a 3 year guarantee.