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Standard form - EdexcelCalculating standard form with a calculator

Calculations with very big or small numbers can be made easier by converting numbers in and out of standard form.

Part of MathsNumber

Calculating standard form with a calculator

Discover our updated revision resources for GCSE Maths: Standard form with a calculator, with step-by-step slideshows, quizzes, practice exam questions, and more!

can be calculated on a scientific calculator with the exponent button. 'Exponent' is another name for power. On a calculator, the exponent button is specifically for standard form and powers of 10, whereas the \(x^y\) button can be used for any power. Scientific calculators can also be set to 'scientific mode' and will then show all calculations in standard form.

For example, to input 1.2 x 107, press:

1.2 EXP 7

which will appear as:

1.207 or 12000000 or 1.2 E7 or \(1.2 \times 10{^07}\)

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