Casio fx-250HC Fraction Scientific Calculator With Cover Tested an works fine. In good clean cosmetic con. Sale included the cover no other accessories are included. **NEEDS A NEW Type UM-3 BATTERIES** Product Information The LCD screen of the Casio FX-250HC scientific calculator displays exponents up to 10 +/- 99 through 6 + 2 digits. Perform a variety of scientific and business calculations using the various buttons of this Casio scientific calculator. Enjoy working with this Casio calculator powered by two type UM-3 batteries that support up to 4,000 hours of continuous usage. With this Casio scientific calculator, you can perform complex number calculations, independent memory, and constants, for addition, subtraction, and multiplication. This Casio calculator is compact and sleek, and comes with a slide-on hard case. The pragmatic key layout of the Casio FX-250HC scientific calculator makes it an easy-to-use scientific calculator.