The ms80ver has a large and clear 8 digit angled display is dual powered solar with battery backup and performs all the major functions and more among those are currency functions where the variable rate s are set by the user it has mark up function command signs 3 digit comma markers and 4 constants plus the display is tilted to give an easy viewing angle and it has auto power off 8 digit display 3 key memory solar amp battery power euro conversion angled