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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
Teragram or teragramme is equal to 1012 gram (unit of mass), comes from a combination of the metric prefix tera (T) with the gram (g). Plural name is teragrams.
The short hundredweight or cental of 100 lb (45.359237 kg) is used in the US and Canada.