CalcExpress Toolkit is a set of VIs and interactive tools to run text-based scripts and evaluate formulas. It includes a script processor (CSE), a formula parser (CalcExpress), a data management tool (VarMan), and several utility VIs.

Using scripts in an application allows for dynamic changes to the application's behavior without the need to modify its code. Scripts are not limited to computational purposes only; they can be used for a variety of other tasks, such as controlling devices, running tests, communications and collectiong data, etc. An application can also benefit from automatic data logging when running scripts or using VarMan variables.

Key features
*) The script syntax is similar to that of the LabVIEW Formula Node and the C language. A script can involve loops, branches and jumps, along with expression evaluations.
*) Data types that are natively supported include numeric scalars (real and complex), strings, and arrays thereof. User-defined data types can also be used.
*) Operators and functions are polymorphic just as LabVIEW functions.
*) More than 250 predefined functions are available to perform calculations, signal processing, data manipulation, file operations, VI control and synchronization, interaction with user, etc.
*) User-defined functions can be implemented as VIs, called FuncVIs. Using the FuncVI mechanism, users can expand CalcExpress with functions for various tasks of any level of complexity.
*) Variable Manager (VarMan) is an essential tool that provides exclusive or cooperative access to variables for the components of an application and/or scripts. Applications can dynamically create, destroy and manipulate variables and their properties.
*) VarMan supports the automatic collection of historical data for variables, providing the basis for data logging in applications.
*) CalcExpress is reentrant and multithreaded. It can independently execute several scripts at a time.

### Function and Control palettes
CalcExpress palettes are located in the "Addons" function and control palettes.
Menu file: \vi.lib\addons\CalcExpress\dir.mnu

### Utilities and Examples
You can find CalcExpress utilities in the "Tools>>CalcExpress" menu. Select "Examples Navigator" from the menu to review examples provided.

### Documentation
CalcExpress help file can be opened with the "Help>>CalcExpress" menu. Also, you can open the help file, EULA and additional materials with the "Tools>>CalcExpress>>Help and Support" menu.