Readme.txt
----------

GraphiCal 

Version 1.7.0


1.  What is GraphiCal ?

GraphiCal is a programmable calculator with graphical output which lets you visualize expressions and formulas as graphs in a chart and creates video clips from a sequence of graphs. It has over 50 built-in mathematical functions, can integrate and find roots and extrema. Programmable, with user defined variables and functions. GraphiCal offers programming interfaces for VB and VC  and a very user-friendly graphics system.


2. Requirements
VB 6.0 runtime libraries. Latest MFC 4.2 runtime libraries.
Internet Explorer 4.0 or higher

Windows NT : Service Pack 4 or higher.

The MFC 4.2 runtime libraries can be downloaded from
http://activex.microsoft.com/controls/vc/mfc42.cab

The VB runtime libraries can be downloaded from
http://support.microsoft.com/download/support/mslfiles/Vbrun60.exe

To view the video clips you need a media player which can play avi-files (Microsoft's Windows Media Player, RealPlayer or other).


3. How to install GraphiCal
Please make sure you have the MFC 4.2 DLLs on your machine before you install GraphiCal. These DLLs are already required in the installation process.
Extract the the archive graphical.zip or gpcalxxx.zip to a folder on your hard disk and run setup.exe or execute setup.exe from within the archive. 

4. Installing GraphiCal over an existing version
It is recommended to uninstall any previous version before installing a new one.

5. GraphiCal is shareware
The program is fully functional within a 30-day trial period. If you want to continue using GraphiCal after this you need to register GraphiCal.

6. The GraphiCal archive may be distributed freely. It may however not be altered and must always be distributed as a whole. 

7. Please send your questions, suggestions and bug reports to wkurz@foni.net

8. The latest version of GraphiCal can always be found at http://www.home.foni.net/~wkurz/graphical/graphical.htm

9. Download location http://www.home.foni.net/~wkurz/graphical/graphical.zip

