The current version of Graphic Calculus is available from VUSoft:

Visit the VUSoft website to inspect
the new Graphic Calculus
for Windows.

The original version of Graphic Calculus is also available as a free download for use on any PC using DOS or Windows.

You are invited to download the original Graphic Calculus for the PC. This is available ‘as-is’ and is yours to use for free. But do consider the many advantages of the NEW GRAPHIC CALCULUS for Windows. Enjoy!