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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 …) |
The ounce (abbreviated oz; apothecary symbol: ℥) is a unit of mass used in most British derived customary systems of measurement.
The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement.
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