Mathematical Expressions

GetDP is a general finite element solver using mixed elements to discretize de Rham-type complexes in one, two and three dimensions. The main feature of GetDP is the closeness between the input data defining discrete problems (written by the user in ASCII data files) and the symbolic mathematical... Platforms: Mac

Convey is a real-time, online, multi-user collaboration tool which augments text, graphics, and symbols. Examples of graphics include shapes, mathematical expressions, diagrams, flow charts, and pictures. Platforms: *nix

Transparent calculations with uncertainties on the quantities involved (aka "error propagation") ; fast calculation of derivatives uncertainties allows calculations such as (2 ?*A* 0.1)*2 = 4 ?*A* 0.2 to be performed transparently. Much more complex mathematical expressions involving numbers... Platforms: *nix

ASTEVAL is a safe(ish) evaluator of Python expressions and statements,using Python's ast module.The idea is to provide a simple, safe, and robust miniature mathematical language that can handle user-input.The emphasis here is on mathematical expressions, and so numpy functions are imported and... Platforms: *nix

Haxial Calculator is an advanced calculator that can evaluate complex expressions to practically any level of accuracy that you desire. With Haxial Calculator, instead of tediously clicking on little buttons, you can freely type a formula using the keyboard. For example, you can type a formula... Platforms: Windows, Mac, Windows CE

WidTex is a widget that shows you an on-screen graphic of any mathematical problem you write.WidTex lets you get images of the mathematical expressions you specify using mimeTex. It is an insignificantly small program (38Kb), completely free and requires no installation on your hard drive. Platforms: Windows

Chemistry students and teachers shouldn+t miss this program. EniG. Chemistry Assistant is a specific calculator for chemical expressions. Maybe with this definition it isn+t clear enough what it does, but you+ll quickly see when you try it. You can precisely calculate the molecular weight of any... Platforms: Windows

RegexPlor is a tool for interactively exploring regular expressions. It provides a graphic frontend for experimenting with such regular expressions in a intuitive way. You can edit an input text as well as a regular expression as well as colors for matched text, etc. and study various effects at... Platforms: Mac

RedCrab is a complex scientifical calculator with a full-screen editor. The mathematical expressions are not typed in a typical command line, but can be enter in the editor window. RedCrab display the result either under or next to the expression. The handling is easier than conventional... Platforms: Windows

Full featured free calculator providing all the essential features of a calculator and more. The software handles all basic and advanced features required by most users and includes several advanced features within a scientific calculator. It evaluates all major mathematical expressions and... Platforms: Windows

Diagram Designer is a simple, Open Source, vector graphics editor for creating flowcharts and diagrams. Features customizable template object palette, import/export WMF, EMF, BMP, JPEG, PNG, MNG, and PCX images. Simple graph plotter to plot mathematical expressions. Advanced "pocket" calculator... Platforms: Windows

uBASIC is a non-interactive BASIC interpreter designed for adding simple scripting capabilities to applications and systems with severe memory constraints. The (non-interactive) uBASIC interpreter supports only the most basic BASIC functionality: if/then/else, for/next, let, goto, gosub, print,... Platforms: *nix

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

YACAS is an easy to use, general purpose Computer Algebra System, a program for symbolic manipulation of mathematical expressions. It uses its own programming language designed for symbolic as well as arbitrary-precision numerical computations. The system has a library of scripts that implement... Platforms: *nix

EasyCalculation offers you with a package of square, rectangle, triangle, circle calculators that can come in handy in various situations. This calculator, computes the mathematical expressions as you enter the required data. for WindowsAll Platforms: Windows

ConvertAll Portable is the handy ConvertAll unit converter packaged as a portable app, so you can do your unit conversions on the go. It has all the same great features of ConvertAll including easy unit selection and ability to combine over 400 units for conversions. And, as with all... Platforms: Windows

RedCrab is a calculator with a full-screen editor. The mathematical expressions are not typed in a typical command line, but can be enter in the editor window. RedCrab display the result either under or next to the expression. The handling is easier than conventional calculators. RedCrab supports... Platforms: Windows

SciCa 3.0 is the fourth release of this scientific calculator. The software is able to compute mathematical expressions as well as to process two dimensional functions (y=y(x)-functions). You can now choose between two language versions, "German" and "English". SciCa 3.0 introduces the graphic... Platforms: Windows

Convey is a real-time, online, multi-user collaboration tool which augments text, graphics, and symbols. Examples of graphics include shapes, mathematical expressions, diagrams, flow charts, and pictures. Platforms: Windows, Mac, BSD, Solaris, Linux

Java program for computations with values expressed in terms of physical or other units. Supports complicated mathematical expressions and user-defined functions. Invoked from scripts, line command, as GUI, or as applet. Extensive units data base. Platforms: Windows, Mac, Linux