Symbols:Number Theory/Floor
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Floor Function
- $\floor x$
The floor function of $x$: for $x \in \R$, the greatest integer less than or equal to $x$.
The $\LaTeX$ code for \(\floor x\) is \floor x
.
Deprecated Symbols
Integer Part
- $\sqbrk x$
For $x \in \R$, the greatest integer less than or equal to $x$.
That is, it is the integer part of a given real number.
$\sqbrk x$ has been (or is in the process of being) superseded by $\floor x$, due to the already widespread uses of square brackets.
The $\LaTeX$ code for \(\sqbrk x\) is \sqbrk x
.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): integer part
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): integer part