How do you follow operation transformation?

Click on the image of the person on the homepage you want to follow. The videos etc are on the right-hand side next to the description of the person.. Click on the image of t (MORE)

Why do we follow the order of operation?

What the order of operations mainly does is to ensure that you dothe "shorthand" operations first; this can be seen by examiningwhat the operations mean (I'll demonstrate usin (MORE)