Expressions Pt 2

Screencast: Order of Operations (necessary) Approx. Duration: 12m
Just like in mathmatics, calculations are performed in a certain order.
Learn about this order and how to work with it in this video.

Screencast: Using Arrays in Expressions (necessary) Approx. Duration: 5m
This video covers using array access notation to use items stored
within arrays in calculations.

Screencast: Concatenating Strings (necessary) Approx. Duration: 11m
Working with strings in expressions is a different animal than working
with numbers in mathmatical expressions.

Screencast: Casting (necessary) Approx. Duration: 12m
How to tell the computer to treat numbers and strings and vice versa.

Screencast: Assignment Operators (necessary) Approx. Duration: 12m
Calculating with AND assigning all on one line with these handy
programming shortcut operators.

Also found part of answer to Kermit/Miss Piggy question.