The MS-8B has a large and clear 8 digit angled display . Dual powered (Solar with Battery Backup) it performs all the main functions to include Tax, Currency, Mark up, function command signs ,3 Digit comma markers and 4 constants.  The display is tilted to give an easy viewing angle and it has an auto power off function.Specification. 8 Digit. Pro-percentage. Currency Conversions (3 Conversion Memories). TAX-Calculation. 3-Key Memory. 3 Digit Comma Markers. Function Command Indicator. Key for changing plus/minus sign