• Wait for all the graphics to load.

• Enter all numbers and operations
  by clicking the calculator buttons.

• Entries over 7 digits will result
  in an "overflow" condition.
  On overflow, click clear "C".

• Images of negative numbers
  will not be displayed.

Egyptian number graphics courtesy of:
Mark Millmore, Egyptian Mathematics.

Javascript Code for the Egyptian Calculation courtesty of:
Mark Johns, The Johns Family Page.