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Definition of 'pedometer'. pedometer. A pedometer is a device that measures the distance that someone has walked. ...a small pager with a built-in pedometer to count the number of steps its owner took. COBUILD Advanced English Dictionary.
PEMDAS is an acronym for the words parenthesis, exponents, multiplication, division, addition, subtraction. For any expression, all exponents should be simplified first, followed by multiplication and division from left to right and finally addition and subtraction from left to right.