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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 short ton-force (symbol: tnf) is a unit of force.
The ounce-force (symbol: ozf) is a unit of force used in some systems of measurement including English Engineering units and the British Gravitational System.