This thing looks a whole lot like the HP Prime[0] calculator. From the icons to select the "applications" (aka modes) and the pop up menus. That said the HP has

This thing looks a whole lot like the HP Prime[0] calculator. From the icons to select the "applications" (aka modes) and the pop up menus. That said the HP has a color screen and from the looks of it better buttons. Too bad HP didn't care enough about calculators to make the prime live up to its potential. [0]: https://hpcalcs.com/product/hp-prime-graphing-calculator/ https://hpcalcs.com/product/hp-prime-graphing-calculator/