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May I suggest you include SymbMath into your 
collection ?

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Dr Weiguang Huang
Emphasys Corporation Pty Ltd
Level 2, 34-36 Chandos St, St Leonards, NSW 2056, 
Australia
Phone: (61 2) 99064611 ext 218
Fax:   (61 2) 99064747
Email: huang@emphasys.com.au
http://acsusun.acsu.unsw.edu.au/~s9300078/

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	SymbMath 3.3.2:  Computer Algebra System with Learning

		Dr. Weiguang HUANG
	120/22-24 Wassell St., Matraville, Sydney, NSW 2036, Australia
	Phone:  (61 2) 3113251,  Fax:    (61 2) 99064747
	E-mail: huang@emphasys.com.au, w.huang@unsw.edu.au
	http://acsusun.acsu.unsw.edu.au/~s9300078/

    SymbMath (an abbreviation for Symbolic Mathematics) is a symbolic =

calculator that can solve symbolic math problems. =

    SymbMath is a computer algebra system that can perform exact =

numeric, symbolic and graphic computation. It manipulates complicated
formulas and returns answers in terms of symbols, formulas, exact
numbers, table and graph. =

    SymbMath is an expert system that is able to learn from user's input. =

If the user only input one formula without writing any code, it will =

automatically learn many problems related to this formula (e.g. it learns =

many integrals involving an unknown function f(x) from one derivative =

f'(x) ).
    SymbMath is a symbolic, numeric and graphics computing environment =

where you can set up, run and document your calculation, draw your graph, =

and use external functions in the same way as standard functions since =

the external functions are auto-loaded.
    SymbMath is a programming language in which you can define conditional,=
 =

case, piecewise, recursion, multi-value functions and procedures, =

derivatives, intergrals and rules.
    SymbMath is database where you can search your data.
    SymbMath is a multi-windowed editor in which you can copy-and-paste =

anywhere in a file and between files, even from the Help file.
    It runs on IBM PCs (8086) with 400 KB free memory under MS-DOS.
    It can provide analytical and numeric answers for:
	o Differentiation: regular or higher order, partial or total,
	  mixed and implicit differentiation, one-sided derivatives.
	o Integration: indefinite or definite integration, multiple
	  integration, infinity as a bound, parametric or iterated =

	  integration, line or surface integrals, discontinuous or =

	  implicit integration.
	o Solution of equations: roots of a polynomial, systems of
	  algebraic or differential equations.
	o Manipulation of expressions: simplification, factoring or =

	  expansion, substitution, evaluation.
	o Calculation: exact and floating-point numeric computation
	  of integer, rational, real and complex numbers in the range =

	  from minus to plus infinity, even with different units.
	o Limits: real, complex or one-sided limits, indeterminate forms.
	o Complex: calculation, functions, derivatives, integration.
	o Sum and product: partial, finite or infinite.
	o Others: series, lists, arrays, vectors, matrices, tables, etc.
    Also included are:
	o Plot: functions, polar, parametric, data, and list.
	o Draw: lines, arcs, ellipse, cirlces, ovals.
	o Auto-loaded library in the source code.
	o Pull-down and pop-up menus, resizeable and colourable windows.
	o Procedural, conditional, iterational, recursive, functional,
	  rule-based, logic, pattern-matching and graphic programming.
	o Searching database.
    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/sm332a.zip).
    If you get the SymbMath on ZIP format (e.g. sm332a.zip), you should =

unzip it with parameter -d by
		pkunzip -d sm332a c:\symbmath
=1A
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