Arithmetic is used by almost everyone, for tasks ranging from simple day-to-day counting to advanced science and business calculations. In common usage, it refers to the traditional operations of addition, subtraction, multiplication and division with smaller values of numbers.
This video tutorial courtesy of Khan Academy is useful if you have very little background in math fundamentals. It covers addition, subtraction, decimals, multiplication, division, fractions, percentages, and more.[yendifplayer playlist=478]
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