Web Reference: Examples, videos, worksheets, solutions, and activities to help PreCalculus students learn about the greatest integer function. It is also called the “step function” or “floor function”. The greatest integer function of a number is the greatest integer less than or equal to the number. i.e., the input of the function can be any real number whereas its output is always an integer. Thus, its domain is ℝ and its range is ℤ. In this video, we deeply explain the Greatest Integer Function, also known as the Floor Function, along with its graph, domain, and range.
YouTube Excerpt: This calculus video
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Lesson Greatest Integer Function Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $43M - $70M
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Last Updated: April 7, 2026
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