Getting Started Tutorial > About Exercise 3
  
About Exercise 3
You can assign data to variables or functions. Before you define a new function, it is good practice to check whether PTC Mathcad provides a suitable built-in function. You can apply labels to associate each mathematical element in your worksheet with a specific math type. For example, you can type 2m and then apply a unit label to m. After completing this exercise, you will be able to perform the following tasks:
Define and evaluate variables and functions
Order the math regions in your worksheet
Apply labels
Proceed to Task 3–1.