Display Desktop Black Tax calculation Profit calculation 12 digits LCD Display tilting Battery LR44 Extensive tax and business functionsWith its comprehensive functions, the 12-digit AS-220RTS calculator is useful in any business or accounting environment. Its business calculation key handles cost sell margins at a touch. Check and Correct can hold up to 120 calculation steps in its memory, with the Auto Check key scrolling through each step in sequence. Letting users view calculations, make changes and re-submit. Plus, all the regular keys needed for calculation efficiency, including Percentage, Sign Change and separate 0 and 00 keys.Compact and professional styleWith its Arc curved body, the AS-220RTS, measuring 134mm wide, is compact enough to be portable and fit in the palm of your hand. Designed for general use, with its smart dark grey finish, it looks equally professional on any desk or shelf.Strong environmental credentialsWith the AS-220RTS you can choose both style and sustai