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November 1, 2019

Version 2.404 of Dentist Assistance 2 (DA2) is released.

March 7, 2019

Version 2.384 of Dentist Assistance 2 (DA2) is released.

August 27, 2018

Support of USPExpress .NET CFE products is discontinued.


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 is a series of .NET components aimed to parse and evaluate scientific, engineering and other expressions on-the-fly.
USPExpress products have been widely used in numerous enterprise-level applications in the field of chemical engineering and statistical applications for over 18 years now.


Below is a list of major features of USPExpress products:

  • Can be used with almost any development tool on Microsoft .NET platform, such as Visual C#, Visual Basic, Visual C++, Delphi or Fortran
  • Date and time calculations
  • String data type support (.NET Pro edition only)
  • Custom data types support (.NET Pro edition 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
    • Random function
    • Date and time functions
  • ...and operators
    • Arithmetic operators
    • Boolean operators
    • Logical operators
    • Bitwise operators
    • Conditional operators
  • Easily customizable with user-defined functions
  • Variable aliasing
  • Linearity expression check
  • Thread-safety (.NET Pro edition only)
  • Comes with detailed documentation, as well as ready-to-run sample programs


We offer free full technical online support via email (parser@unisoftplus.com)
or via phone +7-383-3637002 (9:00-18:00 only; 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!