Videos corresponding to each of the five steps of Function Grapher Demystified are divided into short parts for easier download.

Step 1

• Part A: Setting up document properties, creating layers.   (4:30 min).
• Part B: Creating the graphing board manually.   (11:24 min).
• Part C: Creating a button from scratch.   (9:34 min).
• Part D: Duplicating a button, creating static text boxes for a fixed range.   (8:33 min).

Step 2

• Part A: The code needed for graphing two fixed functions in a fixed range: Setting up global variables.  
  (11:30 min).
• Part B: The code cont'd: Converting functional coordinates to their pixel values, graphing axes and functions.   (15:30 min).
• Part C: Masking and handling the "wrapping up at infinity" effect.   (16:20 min).

Step 3

• Part A: Setting the stage for the user's range input.   (14:20 min).
• Part B: The code needed to handle the user's range input.   (7:30 min).
• Part C: The code needed to handle the user's range input, cont'd.   (9:30 min).

Steps 4 and 5

• Part A: The folder of custom classes and new UI elements.   (10:30 min).
• Part B: Instantiating and using MathParser.   (11:10 min).
• Part C: Discussing the rest of the new code.   (11:30 min).
• Part D: A quick look at Step 5 and we are done!.   (9:00 min).