how do i use the percent button on my calculator
Most people know the equals sign in math class:
Learning to use the percent key on your calculator will make your life a lot easier. The percent sign works with multiplication, addition and subtraction. Use multiplication to calculate a percentage of a number, such as when figuring a tip. Use addition and subtraction for calculating percentage increases or decreases, such as when figuring out markups or discounts. By following a few simple tips and examples, you can learn how to use a calculator to quickly figure percentages. Note that not all calculators behave the same way as far as the percent key is concerned. If your calculator does not have the percent key, don’t despair. You can still use it to calculate percentages; you will just have to press a few more buttons. The most inportant thing to remember when calculating percentages is that your calculator works in decimals. Therefore, to find a percentage, you must use either a decimal equivalent or the percentage button to get a correct answer. You could also multiply by 100 if you prefer. This video shows you haw you can calculate percentages using the percentage button or function. This is a second function which you can access by pressing SHIFt and then the left bracket or parentheses "(" .
The Transfer Display button can be used on Numeric Entry questions with a single answer box. This button will transfer the calculator display to the answer box. You should check that the transferred number has the correct form to answer the question. For example, if a question requires you to round your answer or convert your answer to a percent, make sure that you adjust the transferred number accordingly. A percentage is a special way of representing a portion of something. A percentage is a number that indicates a fraction made up of 100 parts. Thus, 100% means the whole thing (whatever is being measured), while 50% means one half. If you learn how to write numbers as percentages, it then becomes easy to perform multiplication and other calculations with percentages on a calculator. Some calculators even have a % button that makes the calculation even easier. (Source:www.wikihow.com)