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Fact of the Week
Learn a different fact every week!


Some numbers are letters
Fact of the week
26 February 2024
Some numbers are letters
Some numbers represent important scientific values – such as the speed of light – and are used over and over again in different calculations. So to save time and effort, scientists use single letters to represent them. For example, the letter ‘c’ represents the ‘speed of light’ and stands for ‘celeritas’ which means speed in Latin.

Find out more in:
100 Things to Know About Numbers, Computers & Coding

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