Enhance your calculations with the Texas Instruments TI-31 Scientific Calculator. This pocket-sized device is equipped with an LCD display and features small key sizes, making it a perfect fit for your everyday calculations. Powered by solar energy, this calculator is not only efficient but also eco-friendly. Tested and in perfect working condition, it comes with a cover for protection. Ideal for business, industrial and office use, this calculator is a must-have for all your calculation needs.