Both the standard and CAS modes function independently of each other and the calculator can quickly switch between the two, unlike some of its competitors, such as the TI-Nspire series by Texas Instruments, which comes in either CAS-supported models or non-CAS models. The HP Prime's graphical user interface features two separate home screens, one of which contains an integrated computer algebra system (CAS) based on the free and open-source Xcas/Giac 1.5.0 engine, which evolved from that of the HP 49G and its successors.

The functionality of the HP Prime is also available as emulation software for PCs and Macs, as well as for various smartphones. It claims to be the world's smallest and thinnest CAS-enabled calculator currently available. It was designed with features resembling those of smartphones, such as a full-color touchscreen display and the ability to expand functionality by means of downloadable applications. The HP Prime Graphing Calculator is a graphing calculator introduced by Hewlett-Packard in 2013 and currently manufactured by HP Inc. Text 10×33 (lines × characters) + menus + header Textbook / Algebraic / Advanced RPN ġ6-bit full-color multi-touch TFT LCD ģ20×240 pixels (3.5-inch / 8.9 cm diagonal),

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