Thank you for your interest to Expression parser 1.30
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DESCRIPTION
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Expression parser 1.30 is a set of two components - TExprParser and
TEPUserLib, for evaluating expressions at run time. 


TARGET ENVIRONMENT
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Delphi 3.0
Also available for Delphi 1.0 and Delphi 4.0


FEATURES
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Supports using of user-defined variables, function arguments, 
all arithmetical and logical operators, build-in functions, 
register your own build-in functions, library of user-defined functions 
and aliases editable both at design and run time, 
on event evaluated variables and functions.
Library also can be loaded from INI file at run time.

There is NO 256-bytes LIMIT of the length of the expressions (in Delphi 1.0),
NO LIMIT of complexity, NO LIMIT of function arguments.
No need to re-parse expressions (or library functions) explicitly,
it is done automatically if the conditions on which they are 
last parsed are changed.
Supports names and identifiers with characters in a range #192..#255
for some language character sets.


SHAREWARE LIMITATIONS
----------------------
A Shareware version has following limitations:
1. A "nag" screen with copyright information.
2. A library can not contain more than three user functions.


INSTALLATION 
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DELPHI 1.0 installation:

To install the components:
1. Unzip all files in a directory of your choice.
2. Start Delphi and choose install components option. Press the Add button
   and choose EXPRSREG.DCU file in a browse dialog.
3. After successfull installation, the components TExprParser and TEPUserLib 
   will appear in Samples palette.

To bind the help file EXPARS.HLP with Delphi Help system, do following:
1. Copy EXPARS.HLP file in \DELPHI\BIN directory.
2. Copy EXPARS.KWF file in \DELPHI\HELP directory.
3. Start HelpInst program from Delphi's program group. Open DELPHI.HDX file
   from \DELPHI\BIN directory and add the new keyword file EXPARS.KWF from
   \DELPHI\HELP directory. 


DELPHI 3.0 and 4.0 installation:

To install the components:
1. Unzip all files in a directory of your choice.
2. Start Delphi and open EXPRS_D3.DPK (for Delphi 3.0) or EXPRS_D4.DPK (for Delphi 4.0)       package file. Press Install button from package window.

REGISTRATION
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You have to register to use Expression parser in commercial applications.
To register you have to pay

==============   REGISTRATION FEE - $35 =================

Registration gives you following benefits:

  1.  Copyright message box will not appear.
  2.  No limitation of three user-functions.
  3.  As registered user you can inform me about any bugs found and
      receive fixed versions of Expression parser in some days WITHOUT ANY CHARGE.
      
You can buy a sources after additional payment of USD 60, or you can register and 
buy sources for total USD 95.

IF YOU PLAN TO USE EXPRESSION PARSER IN COMMERCIAL PURPOSES PLEASE CONTACT ME!

IF YOU HAVE ANY BUSINESS PROPOSALS FEEL FREE TO CONTACT ME.

E-mail:
  Todor Marholev  :  spsoft@mail.vega.bg

Latest information about these components can be found at

URL:
  http://members.xoom.com/sparksoft/

You can register and purchase these components at

URL:
  http://www.shareit.com/programs/103500.htm

For more about registration see REGISTER.TXT file ...
