Thursday, 16 February 2017

The Rule of BIDMAS

Apart from having practical value in the real world, being smart and intelligent is super hot. It is very much in line with brain training and will ensure you have a quick and agile mind, capable of solving problems quicker than your competition. it could mean the difference for promotion or beating a rival. One simple way to start is to make sure that we get the basic order first. This is where BIDMAS and PEMDAS come in to play.
In mathematics and computer programming, the order of operations (sometimes called operator precedence) is a rule used to clarify which procedures should be performed first.
For example, in mathematics and most computer languages multiplication is done before addition; in the expression 2 + 3 × 4, the answer is 14. Brackets,  which have their own rules, may be used to avoid confusion, thus the preceding expression may also be rendered 2 + (3 × 4), but the brackets are unnecessary as multiplication still has precedence without them.
Mnemonics are often used to help remember the rules. In the United States the acronym PEMDAS is common. It stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. PEMDAS is often expanded to "Please Excuse My Dear Aunt Sally", with the first letter of each word creating the acronym PEMDAS. Most common in the UK and Australia is BIDMAS.
Isaac Newton 1689


The Rule of BIDMAS

  BIDMAS will tell you the order in which to work out your mathematical conundrum. Try to remember it by braking the word up, and using your imagination; so maybe if you were to BID on MAS on ebay. Whichever way you remember it, BIDMAS will not fail you. Here it is:
  1. B        Brackets
  2. I         Indices (Powers and Roots)
  3. D       Divisions (Same Precedence)
  4. M      Multiplications (Same Precedence)
  5. A       Additions (Same precedence)
  6. S        Subtractions (Same precedence)
  7. When operations have the same precedence, work from left to right. 

Try it out:

Correct: 8+12x14= 176 (Using BIDMAS)
Wrong:  8+12x14= 280 (Not using BIDMAS)
BIDMAS is just a very quick and simple rule, but naturally for those who do not know, it can mean big mistakes happen. To be able to do cool math, should be on every woman to do list. For those who want to get ahead in the boardroom and business, it would be foolish not to take an active interest in mathematics.
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