AbleCalc is a great tool for anyone needing mathematical help with calculations. The program shows big numbers in natural style, not as "12345E+1234" and also displays a symbol representing your current operation at the left of the entry field.
The numeric buttons of the AbleCalc are conveniently arranged the same as on the numeric keypad of the computer for rapid data entry. For productivity you can store any number in a special memory cell. The program shows stored number in memory display at the bootom of main window. The program has XP-styled user friendly interface. You can easily access all features by the main program menu.