Out of the three PCM subjects Mathematics in my opinion is the only subject that allows you to be creative. Math formulas and cheat sheet generator for quadric cubic and quartic equations. Using equation solving techniques the formula can be rewritten to solve for value with V I R as the result.
If your device is not in landscape mode many of the equations will run off the side of your device should be able to scroll to see them and some of the menu items will be cut off due to the narrow screen width.
Discount list price discount rate. Discount rate discount list price. Using equation solving techniques the formula can be rewritten to solve for value with V I R as the result. Few mathematical formulas are given in this page below.