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    Nonpositive

    Usage

    NonPositive[x] gives True if x is a non-positive number.

    Basic example

    Evaluate different types of numbers: In[1]:=NonPositive[{1.6, 3/4, Pi, 0, -5, 1 + I, Sin[10^5]}] Out[1]={False, False, False, True, True, False, False} Quantities that are not NumericQ remain unevaluated: In[2]:=NonPositive[{x, Sin[y]}] Out[2]={NonPositive[x], NonPositive[Sin[y]]}

    Attributes

    Listable | Protected

    Relationships with other entities

    Positive | Negative | NonNegative | RealSign | Less | Simplify | Assumptions

    Typical ranks of usage in programs

    2097th most common (1 in 590000 symbols)

    1299th most common (1 in 740000 symbols)

    3667th most common (1 in 188000 symbols)

    History

    introduced in Version 3 (September 1996)

    Timeline

    Timeline

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