Expression Evaluation

RPN is a Perl extension for Reverse Polish Math Expression Evaluation. SYNOPSIS use Math::RPN; $value=rpn(expr...); @array=rpn(expr...); expr... is one or more scalars or lists of scalars which contain RPN expressions. An RPN expression is a series of numbers and/or operators separated... Platforms: *nix

Often, you might want to let (untrusted) users input simple Python expressions and evaluate them, but the eval-function in Python is unsafe. The restricted execution model in the rexec module is deprecated, so you need another way ensure only "safe" expressions will be evaluted: analyzing... Platforms: Windows, Mac, *nix, Python, BSD Solaris

JEC is a Java Expression Compiler library (a JAR) that allows bidirectional expression evaluation and assignation (like book.pages[selectedPage].text). It was designed for mapping HTTP parameters to class fields in the model for a Java web controller. Platforms: Windows, Mac, Linux

Evex is an "Ada flavored", full-featured run-time expression evaluation library for Ada providing built-in mathematical and string manipulation operators and functions, run-time function definition, and application-provided function registration. Platforms: *nix

This script is useful to convert an infix expression to postfix and vice-versa. You can also evaluate infix and postfix expressions. Platforms: Windows, Mac, *nix, Python, BSD Solaris

ptkdb is a free/open source debugger for Perl with graphical user interface (GUI) based on Perk/Tk. ptkdb is able to run on almost any operating system. It has following features : Portable between different operating systems Unix, Windows and Linux etc. Expression Evaluation window... Platforms: *nix

MicroTiger is a graphical microcode simulator with a reconfigurable datapath. The datapath editor window, the main application window, allows for datapath creation and simulation. In addition, several other dialog windows are provided to aid in creating the datapath. The microprogram editor... Platforms: *nix

Hashell project is a shell that is written in Haskell language and which it is intended to provide a set of abstractions that allows you to use Haskell as a shell programming language. So that way you can use haskell for your daily administration tasks. Hashell uses hs-plugins to interact with... Platforms: *nix

XSH2 is a powerfull command-line tool for querying, processing and editing XML documents. It features a shell-like interface with auto-completion for comfortable interactive work, but can be as well used for off-line (batch) processing of XML data. XSH makes extensive use of the XPath language,... Platforms: Windows, Mac, *nix, Perl, BSD Solaris

XSH2 is a powerfull command-line tool for querying, processing and editing XML documents. It features a shell-like interface with auto-completion for comfortable interactive work, but can be as well used for off-line (batch) processing of XML data. XSH makes extensive use of the XPath language,... Platforms: CGI and Perl

This is a package of C++ classes intended to be used for evaluation of C-syntax expression strings. It is intended to be as simple as possible, portable and not depending on other libraries. Platforms: Windows, Mac, Linux

Language::Basic::Expression is a Perl package to handle string, numeric, and boolean expressions. SYNOPSIS See Language::Basic for the overview of how the Language::Basic module works. This pod page is more technical. # Given an LB::Token::Group, create an expression I parse it my $exp =... Platforms: *nix

Java Unified Expression Language is an implementation of the unified expression language (EL) as specified by the JSP 2.1 standard (JSR-245). The javax.el.ExpressionFactory implementation is de.odysseus.el.ExpressionFactoryImpl: // create an expression factory javax.el.ExpressionFactory... Platforms: *nix

regular expression parser is a C++ regexp parser that accomplishes The Open Group specification Issue 6, IEEE Std 1003.1, 2004 Edition. regular expression parser allows you to parse input using regular expressions, and to retrieve parsed sub-expression matches in a few steps.. Platforms: *nix

Regular Expression Graphing Program project is a regular expression graphing program. This program is designed to take a regular expression and produce a graph of the state machine that is used to parse the regular expression. It is useful for teaching regular expressions and state machines.... Platforms: *nix

With Horizontal Menu Advancer for Expression Web you will be able to add professionally-looking CSS menus to your website in an easy way. This add-in for Expression Web and Front Page is an advanced tool that creates horizontal drop-down CSS menus on your website. Horizontal Menu Advancer has... Platforms: Windows, XP, 2003, Windows Vista, 7, 7x64

Lambda Expression Parser is a handy and useful expression parser for parsing dynamical expression string to lambda expression. The component can perform math, logical and bit-wise calculations. Get Lambda Expression Parser and take it for a spin to see what it can actually do for you! Platforms: Windows

Regular Expression Component Library for VC9 is designed as an easy-to-use library for searching and / or replacing strings or data in files using regular expressions in non-managed C++ code. In the Visual C++ environment the Regular Expression Library is made of an MFC ( Microsoft Foundation... Platforms: Windows

CSS Menu Bundle - Expression Web addins is an add-in pack for Expression Web that includes two components: Horizontal Menu Advancer and Vertical Menu Advancer. It allows to create or manage horizontal and vertical css menus on websites directly inside Expression Web without writing... Platforms: Windows, 2003, Windows Vista, XPX64, 7, 7x64

MB Free Planes of Expression Number Software is easily understandable and interactive software, which reveals how best you can express your inner self to others. Each letter of the alphabet is categorized into four major categories – Physical, Mental, Emotional and Intuitive. The proportion of... Platforms: Windows