The TI 30 XS MultiView is a calculator that is useful when making scientific calculations. Because of the MultiView functionality, a maximum of 4 lines can be displayed on the screen. Furthermore, this type contains all the functions of the current scientific calculators plus a number of extras. This allows you to make calculations, edit and discover patterns on the same screen. Are you looking for a graphing calculator that can also draw functions on your calculator? Then consider the Casio FX-9860GII .