The Casio FX-CG50 color graphing calculator is the successor of the FX-CG20. This new model is equipped with improved functions, such as the Catalog, and a modern design. In addition, you can take advantage of new options, including the 3D graphing application and the ability to use QR codes.The high-resolution colour screen displays numerical concepts in the same way as the math textbook. This makes the calculator extremely useful in mathematics and other science subjects. Several high schools recommend this graphing calculator for their students.Some pluses:Safe exam position Beautiful color displayImage graphics application for photo and video analysisUSB connection3D GraphCatalog functionECONO 4