The Texas Instruments Nspire CX is designed to guide students and teachers in doing and understanding research in physics and mathematics. The calculator has a higher version of the operating system than the minimum required OS 220.127.116.112 and therefore fully meets the requirements for the central exam. Thanks to the advanced functions and graphically very detailed screen, complicated operations can be displayed visually, making them easier to understand. This graphing calculator is therefore a very useful aid in mathematics and physics lessons. For example, you solve complex issues from algebra, geometry, trigonometry and calculus quickly and with great ease. The use of the Texas Instruments Nspire is, despite its impressive capabilities, simple by the simple menu and the use of folders to store files. All in all, this Texas Instruments model is a very complete and user-friendly graphing calculator for science.