Pressure Constructor

Creates a new instance of Pressure.

Overload List

	Name	Description
	Pressure(Double)	Creates a new instance of Pressure with a particular value.
	Pressure(Double, Type)	Creates a new instance of Pressure with a particular value and Unit whose Type is specified
	Pressure(Mass, Area)	Creates a new Pressure whose value is the multiple of three Length values.
	Pressure(Double, Unit, MetricExponent)	Creates a new instance of Pressure with a particular value and Unit assuming that value is already raised or lowered to the power of exponent.