Math expression parser, evaluator and calculator

Are you looking for an easy-to-use, fast and lightweight, yet enterprise-level expression parsing tool that you could use in your .NET, C#, Visual Basic, C++, Delphi or Fortran applications?

You have just found one!

USPExpress Math Parser is a component aimed to parse and evaluate scientific, engineering and mathematical expressions on-the-fly.

USPExpress Math Parser has been widely used in numerous enterprise-level applications in the field of chemical engineering and statistical applications for over 10 years now.

USPExpress releases

USPExpress Pro version 2.3 is available. Here is the complete list of modifications.

USPExpress Pro version 2.2 has been released. French localization of all end-user messages is now available. Please look through complete Release Notes.

USPExpress Pro version 2.1.3 has been released.

New USPExpress Pro version 2.1.1 has been released. Here are its Release Notes.

New USPExpress Pro version 2.0 has been released. Please read its Release Notes to see what has changed.

A version for .NET Framework 2.0 has been released.

USPExpress Parser Pro is an extended version of original USPExpress .NET product. Its unique features are:

• Support of any .NET data type, including strings and custom types.
• An extensive list of built-in functions and operators, including:
  • Date functions
  • Logical functions
  • Lookup functions
  • Math and Stat functions
  • Text functions
• Flexible extensibility model
• Thread-safety

A new property ThrowEvaluationExceptions has been introduced. It allows one to use .NET native infinity and NaN constructs when evaluating expressions.

A Compact edition of USPExpress has been released. It is designed to run on Pocket PC and embedded systems running Windows CE with .NET Compact Framework support.

Date and time calculations are now supported in USPExpress .NET.
The ultimate design goal was to add date and time calculation capabilities without compromising the evaluation speed of USPExpress.
The goal has been achieved.

Written in managed C#, it is ideal for .NET applications, including C#, VB.NET and other programming languages with .NET support.

.NET edition offers an outstanding four times evaluation speed improvement over its COM counterpart. A speed benchmark provided with USPExpress shows that it takes less than a second to evaluate a typical expression 100 000 times in a cycle.

Features

Below is a list of major features of USPExpress Math Parser:

• Can be used with almost any development tool on Windows platform, including .NET as well as COM environments such as Visual C#, Visual Basic, Visual C++, Delphi or Fortran.
• Date and time calculations
• String data type support (Pro version only)
• Custom data types support (Pro version only)
• An extensive set of built-in functions...
  • Trigonometrical functions
  • Logarithmical and exponential functions
  • Logical functions, such as IIF(condition, truepart, falsepart)
  • Max and Min functions (.NET edition only)
  • Random function
  • Date and time functions (.NET edition only)
• ...and operators
  • Arithmetic operators
  • Boolean operators
  • Logical operators
  • Bitwise operators
  • Conditional operators
• Easily customizable with user-defined functions
• Variable aliasing
• Linearity expression check (COM edition only)
• Thread-safety (Pro version only)
• Comes with detailed documentation, as well as ready-to-run sample programs

Support

We offer free full technical online support via email: or via phone: +7-383-3323338 (Time zone: GMT +6, EST +11). Your requests are processed within 1 business day.

Do you have a particular feature request? Is there a feature absent that you are looking for? Don't hesitate and let us know!

Order

You may purchase USPExpress Math Parser from our e-commerce provider RegSoft.
There is no royalty fee for distributing the component along with your end-user products. Purchasing a team license (instead of a developer license) for USPExpress is necessary only when used on multiple developer computers. If you happen to have a problem or a question, please write us at .