Operating the calculator:

  • 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.

Links to sites where you can learn
more about Egyptian mathematics:

If you need any kind of on-line calculator,
you'll find it at Jim Martindale's:
Calculators On-Line Center.

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

Program written as a project for:
Dr. J. R. Rasmussen's "Concept of Numbers"
University of Washington, Bothell