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 April 4th, 2017, 04:56 AM #1 Newbie   Joined: Nov 2016 From: iran Posts: 4 Thanks: 0 Hi. I'm a programmer and have just started learning math (I forgot all about it in past years). In programming languages, multiplication and division have higher precedence than addition and subtraction. Is it the same in algebra? For example, $\displaystyle 5 + 8 * 3 = 29$ $\displaystyle ( 5 + 8 ) * 3 = 39$ Last edited by skipjack; April 4th, 2017 at 07:42 AM.
 April 4th, 2017, 07:46 AM #2 Global Moderator   Joined: Dec 2006 Posts: 18,954 Thanks: 1601 In most programming languages, what you suggested applies. That's because the same principle is applied in elementary algebra. Thanks from Country Boy
 April 10th, 2017, 01:48 PM #3 Math Team   Joined: Jan 2015 From: Alabama Posts: 3,159 Thanks: 866 Indeed in basic arithmetic. This is typically taught in the United States, in fifth or sixth grade with the mnemonic "Please Excuse My Dear Aunt Sally" (inside Parentheses first, then Exponents, then Multiplication, then Division, then Addition, then Subtraction. Actually, multiplication and division have the same precedence as do addition and subtraction but we have to put one first). I believe Brits use "Bedmas": "Brackets, exponents, division, multiplication, addition, subtraction". Last edited by Country Boy; April 10th, 2017 at 01:53 PM.

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