		1.3  Shareware, Student and Advanced Versions

	You should register with the author if you use SymbMath.
	Please read all *.TXT files before running SymbMath. Please copy-
and-past examples in the Help window to practise. The printed documents 
(100+ pages) is available from author.
	If you get the SymbMath on ZIP format (e.g. sm331a.zip), you should 
unzip it with parameter -d by
		pkunzip -d sm331a c:\symbmath
If you get the Symbmath with the install.bat file, you should on the MS-DOS 
prompt to install it, type             Install
	On the MS-DOS prompt to run it, type            SymbMath
	SymbMath has three versions: Shareware Version A, Student Version 
B and Advanced Version C. The Shareware version lacks the solve(), trig 
(except sin(x) and cos(x)), and hyperbolic functions, (lack 10% keywords) 
and the student version lacks the hyperbolic functions (lack 5% keywords). 
You cannot input these lack functions in Shareware or student version.

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Version         Class   Lacked Functions                 Price

Shareware       A       solve(), hyperbolic,             US$10 or AU$10
			trig (except sin(x), cos(x))
Student         B       hyperbolic                       US$60 or AU$75
Advanced        C                                        US$80 or AU$99
Libraries       *.li                                     US$20 or AU$30
Manual          printed                                  US$30 or AU$40
...........................................................................................................................
Upgrade         same                                     50%
........................................................................................................................... 
Multiple copies >2                                       80%
........................................................................................................................... 
Site licence    >10 copies                               50%
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	Other foreign money is accepted at the current exchange rate.
	You must provide the photocopy of your license or license number for 
upgrades.
	If you send the author your payment by cheque, money order or bank 
draft that must be drawn in Australia, you will get the latest version. If 
you sign the license (see the LICENSE.TXT file) and send it to the author, 
you will be a legal user for upgrades. If you write a paper about this 
software on publication, you will get a free upgrade.
	Its three versions (Shareware, Student, and Advanced) are available 
from the author. The Shareware version is available from anonymous FTP 
sites (e.g. ftp://oak.oakland.edu/SimTel/msdos/calculat/sm331a.zip).
	Both Student and Advanced versions are copy-protected, so you must
insert the original SymbMath disk into drive A or B before you run SymbMath.
By default, it is drive B. If you use drive A, please copy (or rename) the 
DRIVE.A file to the SYMBMATH.DRI file, or you edit drive(2) into drive(1) 
in the SYMBMATH.DRI file.
	Both Student and Advanced versions only run in MSDOS 4 or later
version.
