Is specially designed by Orbit Research, based on the popular TI-36X Solar calculator by Texas Instruments. It is perfect for students of junior high school algebra to college calculus. The LCD display helps teachers and parents follow along. The TI-36X has clear, high-quality, natural speech.

* Choice of speech mode for quiet or verbose operation
*Unique learning mode for key identification without interrupting operation
* Ergonomically designed for use by the visually impaired
* Over 127 scientific functions including 1 and 2 variable statistics, trigonometry and unit conversion
* Large, tactile, functionally zoned keys. Backspace/correction key
* High capacity rechargeable battery for over 6 hours of continuous operation
* Easy on/off control, auto power-off
* Protective snap cover
* High quality earphone for private use and AC adapter
* Permitted for use on College Board Tests: AP, SAT, and PSAT/NMSQT
* 1 Year limited warranty from Orbit Research