math mode - Rounding to nearest integer symbol in Latex - TeX - LaTeX Stack Exchange
LaTeX Math Symbols
amsmath - Is there any way to set up \ceil and \floor macros without installing the mathtools package? - TeX - LaTeX Stack Exchange
Floor and ceiling functions - Wikipedia
Ceiling and Floor Function in LaTeX - LaTeX-Tutorial.com
math mode - How to write ceil and floor in latex? - TeX - LaTeX Stack Exchange
Ceiling and Floor Function in LaTeX - LaTeX-Tutorial.com
Special symbols
A hospital has a nursing staff of 250 nurses working in four | Quizlet
How to write floor symbol ⌊x⌋ or function like floor() in LaTeX?
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