Abstract
The command NumberQ [expression] gives True if expression is a number, and False otherwise
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© 2007 Springer Science+Business Media, LLC
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(2007). Numbers. In: Essentials of Mathematica. Springer, New York, NY. https://doi.org/10.1007/978-0-387-49514-9_2
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DOI: https://doi.org/10.1007/978-0-387-49514-9_2
Publisher Name: Springer, New York, NY
Print ISBN: 978-0-387-49513-2
Online ISBN: 978-0-387-49514-9
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