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gist Unit of Measure, extends the base units from top to cover Rations and lesser used units (this allows someone to exclude Luminosity if they don't want it )
gistUnit
https://creativecommons.org/licenses/by-sa/3.0/
Counting Unit
A unit of counting, especially ?each?, but also units such as dozens.
Currency Unit
A unit of money. Note: this is the only unit whose conversion factors include time (i.e., the conversion rates change on a daily basis).
Data Size Unit
A unit to measure amounts of digital information.
Electrical Current Unit
Unit of electrical current, which is charge per unit time. The SI unit is the ampere. (Note that electrical current is a composed unit.)
Luminous Intensity Unit
The measure of brightness. The SI unit is the candela.
Mole Unit
Amount of chemical material. Measured in Avogadro units (moles) of 6.02 x 10^23 molecules.
Ratio Unit
A UnitOfMeasure composed of a numerator unit and a denominator unit.
EXAMPLE: Miles per hour.
NOTE: If needed, a conversion factor for a RatioUnit can be (recursively) derived from the conversion factors of the numerator and denominator units. E.g., the derived conversion factor from km/minute to meters/second is 1000/60 or 16 2/3.
Temperature Unit
Unit of measurement for expressing temperature. Per SI, the base of temperature is in Kelvin, to allow for all units to be expressed relative to a real (in this case absolute) zero.
Denominator
Relates a RatioUnit such as meters/second to the denominator Unit (e.g. second).
Numerator
Relates a RatioUnit such as meter(s)/second to the numerator Unit (e.g. meter).
Unit Symbol
The standard symbol for the unit NOT using any special characters. E.g. square meter would be m^2 rather than m?.
Unit Symbol HTML
The standard symbol for the unit in HTML format for pretty printing, may use special characters. E.g. to show square meter as m? rather than m^2, the value of this property would be "m²" This is for when Unicode not supported and the display will be HTML format.
Unit Symbol Unicode
The standard symbol for the unit preferred for pretty printing, may use special characters. E.g. square meter would be m? rather than m^2.