"Quantity" (Interpreter Type)

Natural-language quantity with units.

Details

"Quantity" can be used in Interpreter and related constructs, including deployed smart form fields.
Use of "Quantity" requires connectivity to the Wolfram Cloud.

All the natural-language numbers allowed by "SemanticNumber" are supported for the quantity magnitude.
Examples of unit specifications include:

	one dime	natural-language units
	8.9 hours per day/person	compound units
	30 °C	unit abbreviations and symbols
	10 miles	postfix units
	$99.99	prefix units

	Restricted["Quantity",{{choices₁,…}}]	one among choices
	Restricted["Quantity",unit]	convert to unit
	Restricted["Quantity",quantityvariable]	restrict to units compatible with the physical quantity of quantityvariable
	Restricted["Quantity",unit,max]	a quantity below Quantity[max,unit]
	Restricted["Quantity",unit,{min,max}]	a quantity between Quantity[min,unit] and Quantity[max,unit]
	Restricted["Quantity",unit,{min,max,s}]	a quantity between Quantity[min,unit] and Quantity[max,unit] with step s
	Restricted["Quantity",quantityvariable,max]	a quantity below Quantity[max,unit], with unit the canonical unit of quantityvariable
	Restricted["Quantity",Automatic,Automatic,n]	a quantity whose magnitude has n-digit precision

The bounds min and max and step s can also be expressed as quantities.
Interpreter[quantityvariable] is equivalent to Interpreter["Quantity",quantityvariable].

Interpret quantities of any kind:

Interpret quantities in natural language:

Restrict and convert to a unit:

Restrict in an interval:

Restrict to a given physical quantity:

Accept unitless inputs in the presence of an appropriate restriction:

Set the precision:

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