Mathematica 9 is now available
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.
Wolfram Mathematica Documentation Center
DOCUMENTATION CENTER SEARCH
New to Mathematica? Find your learning path »
Mathematica > Core Language > Expressions > Testing Expressions > NonNegative >
Mathematica > Core Language > Procedural Programming > Conditionals > Testing Expressions > NonNegative >
BUILT-IN MATHEMATICA SYMBOLSee Also »|More About »

NonNegative

NonNegative[x]
gives True if x is a non-negative number.
MORE INFORMATION
  • NonNegative[x] gives False if x is manifestly a negative or complex numerical quantity. Otherwise, it remains unevaluated.
EXAMPLESCLOSE ALL
Basic Examples   (1)
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]=
New in 1
Ask a question about this page  |  Suggest an improvement  |  Leave a message for the team
Format:   HTML  |  CDF