Percentages Using Calculator Methods

Interactive macro-enabled MS-Excel spreadsheet. Contents: Evaluate a % of a number, measure or amount of money. Find an outcome of a % change using an equivalent multiplier. Write a number, measure or amount of money as a % of another. Complete a table of values evaluating each entry as a % of the total. Write a final quantity as a % of n after 3 or 4 proportional changes. Find an account’s total T as simple interest is added for 10 years. Find an account’s total T as interest is compounded for 10 years. Find an account’s total T after n years using an investment formula. Find a car’s value V after n years using a depreciation formula. Express a change in a quantity as a % increase or % decrease. Express a change in the value of an item as a % profit or % loss. Express an error in a measurement as a % too high or % too low. Find an original amount given an outcome of a percentage change.