How does Parsify Desktop actually work?

Here is a brief flowchart, which shows how Parsify Desktop evaluates expressions:

As you can see, most of the work is done by plugins. They have direct access to expression, as well as the math parser (so that they can modify variables and functions).

While that sort of system gives you dozen of opportunities, it also puts a safety risk on users.

On the next page, you will learn how to create a basic plugin.