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 How to Calculate Percent in Your Head?

Answer If you are shopping and see an item that is on sale, you may need to be able to perform some quick mental calculations. Since most people don't always carry a calculator with them, it is helpful to... Read More »
http://www.ehow.com/how_8372013_calculate-percent-head.html

Top Q&A For: How to Calculate Percent in Your Head

How to Calculate a Percent on Your Calculator?

Percentages represent the number of times out of 100 a specified outcome occurs. Using percentages allows you to better compare different sets of data. For example, if one baseball player gets 200 ... Read More »
http://www.ehow.com/how_8018299_calculate-percent-calculator.html

How to Calculate in Your Head?

When a mathematical calculation is needed, some people immediately seek a writing implement and paper to do their figuring. Others use mental math to complete the calculation and usually do it faster.
http://www.ehow.com/how_8387537_calculate-head.html

How to Calculate in Your Head the Month when You Know the Rest of the Date?

We've all heard of some people who can calculate, quickly (i.e., less than 2 seconds), precisely and in their heads, the Day of the Week for any date. As few as they are in number, virtually none o... Read More »
http://www.wikihow.com/Calculate-in-Your-Head-the-Month-when-You-Know-the-Rest-of-the-Date

How to Calculate in Your Head the Year when You Know the Month, Day and Day of the Week?

Tables of Calendar CalculationsWe've all heard of some people who can calculate in their heads, quickly (i.e., less than 2 seconds) and precisely, the Day of the Week for any date. As few as they a... Read More »
http://www.wikihow.com/Calculate-in-Your-Head-the-Year-when-You-Know-the-Month%2C-Day-a...


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