Welcome to the Underwood Distributing Blog
The Underwood Distributing Blog is your resource for everything graphing calculators and classroom technology. From in-depth guides and side-by-side comparisons of models like the TI-84 Evo, TI-84 Plus CE, and NumWorks, to product updates, Teacher Pack breakdowns, and STEM tools for the classroom, we help educators, students, and schools make informed decisions and get the most out of their tech.
Underwood Distributing Blog
What battery do I use for my rechargeable Texas Instruments Graphing Calculator?
Texas Instruments' Graphing Calculators have evolved over the years to be rechargeable and have a backlit screen. With these feature improvements, regular AAA batteries were no longer going to cut it. TI switched to using rechargeable lithium-ion batteries. There are two types Texas Instruments Rechargeable Graphing Calculator Batteries. One with a wire (or pigtail) and one without the wire (or pigtail).
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