HELP MATHS

USING A CALCULATOR
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CALCULATOR KEYS

This calculator is an imaginary to show you some of the most important keys:





When you use a calculator remember BIDMAS

We work out operations in this order:

BRACKETS
INDICES (Powers, roots, etc)
DIVISION and MULTIPLICATION (working from left to right)
ADDITION and SUBTRATION (working from left to right)

BIDMAS!

EXAMPLE:
(2+3)x5 = 25 but 2+3x5 = 17, not 25, because without the brackets the multiplication is done first