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UNIT 3 EDEXCEL MATHS HIGHER March 2, 2013


Notes for Chapter 1 and 2

Chapter 1 Numbers:
1. Using a calculator
You must have a scientific calculator to work out arithmetic calculations
When there are complicated numbers shown after a calculation do not round your numbers
part way through a…

Page 2

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UNIT 3 EDEXCEL MATHS HIGHER March 2, 2013


Whereas inverse proportion is when one quantity is increasing when the other is decrease at
the same rate.

3. Converting recurring decimals to fractions
All recurring decimals can be converted into fractions.
To do this you need to:
First write x =…

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