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quanta.sub - Function

1.4.1 subtract quantities
Description

sub subtracts two quantities

Arguments

Inputs
v

value

allowed:

variant

Default:

a

value

allowed:

variant

Default:

variant 0

Returns
record

Example

"""  
#  
print "\t----\t sub Ex 1 \t----"  
print qa.sub(’5m’, ’2yd’)  
#{’value’: 3.1712000000000002, ’unit’: ’m’}  
#  
"""

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