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Question: When a variable has a value of 0.0 it losses its units.

Question:When a variable has a value of 0.0 it losses its units.

rquirt 65 Maple
convert units
February 20 2019
1

when a variable has a value of 0.0 it seems to lose its units.

with(Units:-Standard):

temp := 0.*Unit('degC');
                           temp := 0.
convert(temp, temperature, kelvin);
Error, (in convert/temperature) insufficient information for a temperature conversion
 
temp := 0.1e-1*Unit('degC');
                   temp := 0.01 Unit(°C)
 
Is this true?  How are you supposed to do calculations for example at 0.0 C?
 
convert(temp, temperature, kelvin);
                      273.1600000 Unit(K)
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