* The author of this program can be reached at FREEWARECALC@YAHOO.COM
* Visit the web site for this program at http://www.geocities.com/freewarecalc/

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PROGRAM DESCRIPTION
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Expression is essentially a freeware graphing calculator. It can parse and evaluate multi-line textual numeric expressions, plot functions, store and recall variables, automatically recalculate and display expressions and even do molar mass calculations involving the Periodic Table of Elements. Expressions can be entered with the keyboard or mouse and are saved with their result for further viewing or use. This program is very customizable and easy to use. Best of all, source code is available on my web site if you want to modify the program.

The program can be distributed freely under the terms of the GNU GENERAL PUBLIC LICENSE Version 2, June 1991 available at www.gnu.org/copyleft/gpl.html or from my web site.

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HOW TO INSTALL
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1) Uninstall any previous versions of the program using the Add/Remove Progams utility in the Windows Control Panel. 
2) Extract the zip file to a single directory.
3) Run the installation program Setup.exe. Follow the directions on the screen to complete the setup.
4) If you downloaded the version of the setup program that contains no Visual Basic runtime files then make sure you have them installed on your computer before running the program; you MUST have these files to run the program. If you do not have these files then read the below passage.

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VISUAL BASIC 6 RUNTIME FILES REQUIRED
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The VB6 runtime files are required to run the installed program since it was written and compiled in Visual Basic 6.0 (Professional) from my web site http://www.geocities.com/freewarecalc/.
