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Parsers, Mathematical Expression Evaluators, Calculators
Numerical Methods in Pascal page: Expression Parsers
http://www-rab.larc.nasa.gov/nmp/nmpIndex.htm#Parsers
Recursion Excursion: Building an Advanced Expression Calculator article in Delphi Informant (subscription)
| Package/Program | Description | ||
| AdCalc | Advanced Calculator evaluator which can be used to evaluate mathematical
expressions at run time. There is no restriction in depth or complexity of
expression. http://delphi.icm.edu.pl/ftp/d40share/adcalc.zip |
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| CalcExpress | See the Delphi Studio Companion CD#1 www.aidaim.com/products/free_components/intr_spc.php |
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| CalcStr | One of the HyperString functions www.mindspring.com/~efd/tools.htm |
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| Calculators | Non-Delphi:
The Calculator Home Page |
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| CHD3 | An expression calculator to a compiler generator www.cocolsoft.com.au/download.htm |
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| DiffExpress | TDiffExpress is a differentiator providing an
easy way to use symbolic differentiation of mathematical expressions in
your applications. It provides the result as an equation, supporting 5
operators, parenthesis, 18 mathematical functions and user-defined
variables. www.aidaim.com/products/free_components/difr_spc.php http://delphi.icm.edu.pl/ftp/d30free/difr141.zip |
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| ESBCalc |
www.esbconsult.com.au/esbcalc.zip
ESB Consultancy: www.esbconsult.com.au |
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| Express | Expression evaluator for functions of up to three variables, also supporting up to 6 parameters. Not an interpreter, but a quasi compiler for the functions, so it is fast for repeated evaluations. Free for noncommercial and educational use. By Renate Schaaf. http://delphi.icm.edu.pl/ftp/d10share/express.zip | ||
| Expression | Eddie Churchill's (Borland) Expression Evaluator www.virtualchurchill.com/eddie/development/expressi.htm |
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| Expression Evaluator | Evaluate mathematical expressions, including the following operators and
functions: +, -, *, /, ^, ( ), mod, abs, atan, cos, exp, ln, round, sin, sqrt, sqr, trunc.
Includes full source code and demo application. Expression Evaluator V1.4 from BitSoft Developemnt, LLC (click on "Free Stuff") |
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| Financial Calculator | http://delphi.icm.edu.pl/ftp/d20free/Fin_Calc.zip | ||
| Formula Compiler Component |
Formula Compiler: A Snappy Run-Time Formula Evaluation Package, Delphi Informant, June 1998, pp. 62-68. (subscription) |
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| FPlot | Visual component that plots math functions. Includes a quick parser, so formulas are put as strings in a component's property. Very simple to use. Full source code. http://delphi.icm.edu.pl/ftp/d30free/fplot.zip | ||
| Fractions Calculator | An object-oriented fractions calculator www.delphix.de/Tutorials/FractCalculator/MM_Tutorial1.htm |
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| Links | Several math parsers/expression evaluators www.programmersheaven.com/zone2/cat265/index.htm |
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| LongCalc | RPN expression evaluation with vast integers www.merlyn.demon.co.uk/programs/longcalc.pas | ||
| Mathematical Expression Parser | MEP calculates expressions entered at runtime.
User functions and variables can be used. http://delphi.icm.edu.pl/ftp/d40share/meparser.zip |
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| Mathematischer Parser | Turbo-Pascal-Units für Turbo Pascal 6 and 7, Beispiel-Programme und eine ausführliche Dokumentation. www.fh-hamburg.de/rzbt/dnksoft/cammpus/parser.html | ||
| MEP | Mathematical Expression Parser (MEP).
Calculates expressions entered at runtime as a string. http://delphi.icm.edu.pl/ftp/d40share/meparser.zip |
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| MicroCalc | TP 3 www.geocities.com/SiliconValley/2926/tpsrc/microcalcpas.txt |
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| MWPasPar | A Pascal parser Delphi Super Page: http://delphi.icm.edu.pl/ftp/d20free/mwpaspar.zip |
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| nrwcalc | Component to manipulate the execution of the standard Windows calculator
(calc.exe). http://delphi.icm.edu.pl/ftp/d30share/nrwcalc.zip |
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| Parser10 | Parse and evaluate mathematical expression Delphi Super Page: http://delphi.icm.edu.pl/ftp/d10free/parser10.zip |
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| RecuCalc | A TP parser, calculates math formula with recursion ftp://garbo.uwasa.fi/pc/turbopas/recucalc.zip |
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| RyFormulaEval | Mathematical formula compiler &
evaluator. VCL Component for Delphi. TRyFormulaEval is a native
Delphi component designed to evaluate mathematical formulas. http://delphi.icm.edu.pl/ftp/d40share/RyFormulaEval.zip |
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| SimpleCalc | A simple 4 function calculator program www.delphiforfun.org/Programs/SimpleCalc.htm |
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| SWAG (Parsing) | Parsing/Tokenizing SWAG Software Archive Group, 14 examples www.gdsoft.com/swag/parsing.zip (requires Reader) |
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| Symbolic | Set of classes that can evaluate functions, and do simple
symbolic operations (like deriving, Taylor etc). Symbolic is not
only a parser, it also does some symbolic math, and evaluates expressions
fast. www.stack.nl/~marcov/symbolic.zip
Requires FCL (Free Component Library) available from www.freepascal.org/fcl/fcl.html |
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| TatMathEvaluator |
Real and complex numeric expression evaluator and TatEquationMemo and TatDBEquationMemo, to edit equations. Works with real and complex numbers. Works with multiple dependant equations. http://delphi.icm.edu.pl/ftp/d30share/amathtr.zip | ||
| TbcParser | TbcParser implements parse once-evaluate many times type of
parsing for mathematical expressions given as strings. TbcParser is
especially useful in scientific, engineering programs. http://delphi.icm.edu.pl/ftp/d40share/bcParserEval.zip |
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| TCalc | "Classic" Turbo Calc example program Download Turbo Pascal 5.5 from the Borland Community Museum: http://community.borland.com/museum and unpack the TCALC.ARC file. |
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| TExpress | Expression Evaluator for functions of up to 3 variables, with support of
6 parameters. Not an interpreter but a quasi compiler, so evaluates fast. www.xmission.com/~renates/delphi.html |
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| TExpressionParser | A flexible and fast expression parser object
for logical and mathematical functions. www.dow.wau.nl/aew/ParseExpr.html |
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| TFormulaTrans | Parses a mathematical formula; outputs the string in a form where it can
be read by most of the expression Parsers which are available |
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| TFunctionParser and TComplexParser | Delphi components for evaluating mathematical functions. TFunctionParser
provides almost 90 predefined mathematical functions and operations, including arithmetic,
powers, roots, logarithms, trig functions, arc functions, hyperbolic functions,
statistical functions, random numbers, bessel functions, integral functions, gamma
function, step function, bitwise and logic functions. TComplexParser provides more than 30
complex math functions and operations.
www.mhgs.onlinehome.de/parser/parsinfo.htm
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| TmlRegularExpression | Native Delphi Regular Expression
handling http://home.clear.net.nz/pages/niche/RegularExpression/index.html |
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| TRxMathParser | Part of RxLib (VCL Extensions). Functions: Sin, Cos, Tan, Abs, Exp,
Ln, Log, Sqrt, Sqr, Int, Frac, Trunc, Round, ArcSin, ArcCos, ArtTan, Sign, Not
www.rxlib.com (file Parsing.PAS) |
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| TzCalc | www.xs4all.nl/~dgb/delmath.html#C_COMPONENTS | ||
| UCalc | UCalc Fast Math Parser is an ActiveX component that allows a program to evaluate algebraic expressions at runtime. | ||
| xaeval | Simple evaluation engine, with support for variable substitution, capable
to resolving BEDMAS and logic equations (source code included). http://delphi.icm.edu.pl/ftp/d30free/xaeval.zip |
Links Verified 12 Nov 2000
Updated 27 Nov 2002
since 1 Nov 1998
