Parentheses, Brackets, Grouping - working left to right in the equation, find and solve expressions in parentheses first if you have nested parentheses then work from the innermost to outermost.Solve math problems with the standard mathematical order of operations, working left to right: ![]() PEMDAS is typcially expanded into the phrase, "Please Excuse My Dear Aunt Sally." The first letter of each word in the phrase creates the PEMDAS acronym. PEMDAS is an acronym that may help you remember order of operations for solving math equations. Math Order of Operations - PEMDAS, BEDMAS, BODMAS, GEMDAS, MDAS If you incorrectly enter it as 4/1/2 then it is solved 4/1 = 4 first then 4/2 = 2 last. Then the division 1/2 = 0.5 is performed first and 4/0.5 = 8 is performed last. For example, in the equation 4 divided by ½ you must enter it as 4/(1/2). If you want an entry such as 1/2 to be treated as a fraction then enter it as (1/2).
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