This worksheet is about carrying out complex calculations on a calculator.
Example
Use your calculator to work out the following to 1 decimal place:
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Answer
Type the following carefully into your calculator:
40 x ( 84.2 - 31 ) ÷ √ ( 10 ^ 2 + 87 ^ 2 ) =
This gives the answer 24.29977513.
We round this off to 1 decimal place to give the answer 24.3