Based on this product's specifications, here are some alternatives and similar models
Graphing Calculator Texas Instruments TI-Nspire CX II-T
Summary description:
The Texas Instruments TI-Nspire CX II-T is a pocket graphing calculator featuring a backlight display, flash storage, and USB connectivity. Powered by batteries, it offers portability and ease of use for students and professionals alike. Its sleek white design and advanced functionalities make it ideal for complex calculations and graphing tasks.