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General Reference

  • Mathematics Glossary – definitions of a few of the terms used in the maths section of this site. (A work in progress.)

  • Measurement Devices – Lots of devices used to measure things.

  • Prefixes – how measurement units are made easier to use with really big and really small numbers. This lists the 20 prefixes that are used by the Système International, plus an example of converting dimensions given in mm into a volume in litres.