Casio MS80 Desktop Solar Tax Calculator - Extra Large Display, Dual Power, Rubber Feet, Key Rollover, 3-Key Memory, Sign Change, Easy-to-read Display, Independent Memory - Battery, Solar Powered - 5.8

Desktop tax calculator features eight digits (16-digit approximations), large easy-to-read display, and tax and currency exchange function. Other functions include constants for addition, subtraction, multiplication, division; independent memory, markup percent and three-digit comma markers. Calculator runs on solar power with mercury-free battery backup.