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NonPositive

NonPositive[x]
gives True if x is a non-positive number.
Evaluate different types of numbers:
Quantities that are not NumericQ remain unevaluated:
Evaluate different types of numbers:
In[1]:=
Click for copyable input
Out[1]=
Quantities that are not NumericQ remain unevaluated:
In[2]:=
Click for copyable input
Out[2]=
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