![](/profiles/wavemetrics/themes/wavemetrics/logo.png)
Simple expressions can be entered on the command line. Igor Pro® graphs automatically update when their data is changed.
Arbitrarily complex functions, including conditionals and loops, can be expressed as user-defined functions using Igor's built-in programming language. Simple command-line assignments can reference your functions.
A Function Grapher is provided as an aid to creating a function and displaying it in a graph:
![](/sites/default/files/forum.png)
Forum
![](/sites/default/files/support.png)
Support
![](/sites/default/files/gallery.png)
Gallery
Igor Pro 9
Learn More
Igor XOP Toolkit
Learn More
Igor NIDAQ Tools MX
Learn More