Texas Instrument Nspire CX II CAS Student Software Graphing Calculator

Two lines of pixels went out on the used TI-89 we had bought for homeschooling. I know this would drive me nuts so I replaced it for my now college engineering major. It was well received. This II version has a faster processor and a better use of the screen than the previous NSpire CAS

Buena documentación, aunque sería mejor tener un poco de mejor resolución en la pantalla, digo es difícil aceptar las bajas resoluciones. Funcionalidad de lujo, me parece que es fácil de manipular y de aprender a usarla. Hay bastante documentación y videos en Internet.

Llegó en perfecto estado y muy rápido

Grabbed this cause it was cheaper than the others on Amazon at the time. Packaging and instruction booklet are in Spanish but the first thing you do when powering it on is select language. So setting it to English is no problem and the booklets don’t matter when everything is available online.