Casio's MS7UCBU Mini Desktop Calculator features a large display and plastic keys, which makes it easy to read and operate. Its function command signs show the status of the operation that you are currently performing and with profit margin percentage you have quick access to prices and profits. Automatically work out the price plus/less tax, discount, selling price, tax/discount/margin amounts with its tax calculation function or use the time calculation to input or calculate hour, minute and second values. ¿10-digit mini desktop calculator in blue¿Tax calculation¿Time calculation¿Key rollover stores key operations in buffer to prevent anything being lost during inputs¿Percentage key provides access to prices/profits and delivers add-ons, discounts, increase/decrease values¿Solar or battery operated depending on amount of light it receives¿Dimensions: 85.5x120x19.4mm (wxdxh)