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MATHGRAF.DOC
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1991-10-27
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Mathgraf 2.4 91/10/10
Copyright 1991, Patrick Robin
select.exe is copyright Microsoft
____________________________________________________________________________
Installation:
Copy mathgraf.exe and select.exe to your windows directory.
Select.exe must be in the current directory or in a directory accessible
in your DOS path. The *.mgf files are demo curves. You can load them with
the open option in the file menu. The Mathgraf.hlp file is the equivalent of
the help option in Mathgraf. It is not necessary to have it on the disk to run
the help option of Mathgraf.
____________________________________________________________________________
For help concerning Mathgraf select the Help option on the Mathgraf menu.
Note that any function to be plotted must be entered in POSTFIX notation.
____________________________________________________________________________
Changes since the previous version
- The options menu item allows you to select one of 9 combinations of
pen width and resolution. This was added to support high resolution
screens and accelerate the display of graphics by selecting the low
resolution mode.
- The screen update speed has been greatly improved when the mathgraf window
is raised or in any other window manipulation that doesn't change the
size of the window and the graphic.
- It is now possible to pass a file name as an argument to mathgraf.
Mathgraf will display the graph contained in the file at startup.
For example, you can associate file names ending in .mgf to mathgraf.exe.
The associate option is on the file menu of the File Manager. See
your MS-Windows User Guide for details.
This way you only have to double click on the .mgf file icon and mathgraf
will be started.
- A bug has been fixed that would mess up the screen when trying to load
an invalid file.
- The licensing feature has been added to cut the postage cost and avoid
having to send fragile diskettes by mail. If you obtain an unlicensed
copy from a friend. You only need to send you check to the address
specified in the about box. A licence key will be sent to you. After
you enter this licence key in the licence info dialog box, The program
will record your identification and the number of users covered by the
licence. This information will be displayed in the about box when
requested but the about box will stop being displayed at startup.
____________________________________________________________________________
Updates
Updated versions can be obtained on Compuserve WINADV forum and by anonymous
ftp on the Internet host clvax1.cl.msu.edu
____________________________________________________________________________
Copy rights:
Mathgraf 2.4 is a shareware product.
It can be copied freely in the unlicensed format and distributed on the
condition that it is unaltered and accompanied by this documentation.
In this case, unlicensed means not accompanied by a licence key.
You cannot be charged for an unlicensed copy of Mathgraf except to cover
copying charges of $5 maximum.
___________________________________________________________________________
Suggestions and bug reports.
Your comments and suggestions would be appreciated. They are needed to improve
future releases by including features needed by the users. I am also interested
to hear about new ideas for entirely different programs that can make use of
the great grahical environment that is MS-Windows.
Please send your comments to
Patrick Robin
99 Grove GreenField Park
Que. Can. J4V 2X2
or by Compuserve mail to 70134,111
Please mention from what source you obtained the demonstration version.
____________________________________________________________________________