ti nspire calculator

The listings show two power options: a built‑in rechargeable lithium‑ion pack (listed as “1 Non‑Universal Lithium Ion, Required, Installed”) or replaceable batteries using 4 AAA alkaline cells (listed as “4 AAA Alkaline, Required,” sometimes marked as included and sometimes not).

Across the different listings the internal storage/memory values shown include 64 MB, 160 KB, and 24 KB, varying by model.

Typical listings show heights around 7.3–7.59 inches, widths about 3.3–3.62 inches, depths roughly 0.83–1.0 inch, and weights ranging from about 0.57 to 0.75 pounds.

Descriptions position these calculators for middle‑school, high‑school, and college students and for classroom lessons, homework, and programming study.

They offer multi‑line, high‑contrast grayscale displays capable of various graph styles and data plotting suitable for graphing and visualizing data.

Descriptions emphasize durable construction—screens and keys designed to withstand everyday drops and pressure—and explicitly state there is no built‑in Wi‑Fi, Bluetooth, or camera, helping keep devices distraction‑free.

Accessories mentioned include a unit‑to‑unit link cable, USB cable, and an instruction guide. Battery details vary by listing: some models have a rechargeable lithium‑ion battery installed, while others require 4 AAA alkaline batteries (some listings state batteries are included, others state they are not).